#chemical engineering projects

[graymand]

Navigating Management Realms: A Chemical Engineer’s Reflection on Mintzberg Roles

Reflective Essay Article Title: Navigating Management Realms: A Chemical Engineer’s Reflection on Mintzberg Roles Reflective Essay: Henry Mintzberg’s seminal work on managerial roles provides a comprehensive framework for understanding the multifaceted responsibilities inherent in organizational management. As a seasoned chemical engineer undertaking an MBA, this reflection aims to explore the…

[supreme-leader-stoat]

[parasympatheticnervoussystem909]

villains for blue spiderman

[jcmarchi]

MIT named No. 2 university by U.S. News for 2024-25

New Post has been published on https://thedigitalinsider.com/mit-named-no-2-university-by-u-s-news-for-2024-25/

MIT named No. 2 university by U.S. News for 2024-25

MIT has placed second in U.S. News and World Report’s annual rankings of the nation’s best colleges and universities, announced today. 

As in past years, MIT’s engineering program continues to lead the list of undergraduate engineering programs at a doctoral institution. The Institute also placed first in six out of nine engineering disciplines.

U.S. News placed MIT second in its evaluation of undergraduate computer science programs, along with Carnegie Mellon University and the University of California at Berkeley. The Institute placed first in four out of 10 computer science disciplines.

MIT remains the No. 2 undergraduate business program, a ranking it shares with UC Berkeley. Among business subfields, MIT is ranked first in three out of 10 specialties.

Within the magazine’s rankings of “academic programs to look for,” MIT topped the list in the category of undergraduate research and creative projects. The Institute also ranks as the third most innovative national university and the third best value, according to the U.S. News peer assessment survey of top academics.

MIT placed first in six engineering specialties: aerospace/aeronautical/astronautical engineering; chemical engineering; computer engineering; electrical/electronic/communication engineering; materials engineering; and mechanical engineering. It placed within the top five in two other engineering areas: biomedical engineering and civil engineering.

Other schools in the top five overall for undergraduate engineering programs are Stanford University, UC Berkeley, Georgia Tech, Caltech, the University of Illinois at Urbana-Champaign, and the University of Michigan at Ann Arbor.

In computer science, MIT placed first in four specialties: biocomputing/bioinformatics/biotechnology; computer systems; programming languages; and theory. It placed in the top five of five other disciplines: artificial intelligence; cybersecurity; data analytics/science; mobile/web applications; and software engineering.

The No. 1-ranked undergraduate computer science program overall is at Stanford. Other schools in the top five overall for undergraduate computer science programs are Carnegie Mellon, Stanford, UC Berkeley, Princeton University, and the University of Illinois at Urbana-Champaign.

Among undergraduate business specialties, the MIT Sloan School of Management leads in analytics; production/operations management; and quantitative analysis. It also placed within the top five in three other categories: entrepreneurship; management information systems; and supply chain management/logistics.

The No. 1-ranked undergraduate business program overall is at the University of Pennsylvania; other schools ranking in the top five include UC Berkeley, the University of Michigan at Ann Arbor, and New York University.

[little-p-eng-engineering]

Little P.Eng.: Pioneering Engineering Excellence in Pipe Support and Flexibility Analysis

In the ever-evolving landscape of industrial engineering, the need for specialized expertise in piping infrastructure has never been more critical. Little P.Eng. emerges as a beacon of innovation and reliability, offering comprehensive engineering and consulting services that cater specifically to the intricacies of pipe support engineering/design and pipe flexibility analysis. This article delves into the core offerings of Little P.Eng., highlighting its pivotal role in optimizing the performance and safety of major piping installations across various sectors.

Expertise in Pipe Support Engineering and Design:

At the heart of Little P.Eng.'s services lies its proficiency in pipe support engineering and design. Recognizing the vital importance of stable and reliable pipe supports in industrial installations, Little P.Eng. employs cutting-edge techniques and materials to design supports that ensure operational efficiency and longevity. The company's engineering solutions are tailored to meet the unique requirements of each project, taking into account factors such as load distribution, thermal expansion, and environmental conditions. Through meticulous planning and design, Little P.Eng. guarantees pipe supports that not only meet but exceed industry standards.

Advanced Pipe Flexibility Analysis:

Another cornerstone of Little P.Eng.'s service portfolio is its advanced pipe flexibility analysis. Understanding that thermal expansion, vibration, and other dynamic forces can significantly impact piping systems, Little P.Eng. leverages sophisticated analytical tools to assess and mitigate potential risks. This proactive approach enables the identification of stress points and flexibility issues before they escalate into costly repairs or operational downtime. By prioritizing the integrity and resilience of piping systems, Little P.Eng. plays a crucial role in ensuring the seamless functionality of major installations.

Collaborative Approach to Project Success:

What sets Little P.Eng. apart is not just its technical acumen but also its collaborative approach to project execution. The firm works closely with clients, contractors, and other stakeholders to ensure that every aspect of the piping design and analysis aligns with the project's overall objectives. This synergy between expertise and client engagement fosters an environment of trust and transparency, leading to solutions that are both innovative and aligned with the client's vision.

Industry-Specific Solutions:

Conclusion:

In conclusion, Little P.Eng. stands at the forefront of engineering excellence, providing unmatched services in pipe support engineering/design and pipe flexibility analysis. Through its dedication to innovation, reliability, and client collaboration, the firm not only enhances the safety and efficiency of major piping installations but also contributes to the advancement of the industrial engineering field. As industries continue to evolve and face new challenges, Little P.Eng. remains committed to delivering solutions that pave the way for a safer, more efficient future.

Tags:

Little P.Eng.

operational efficiency

industry standards

industrial engineering

innovative solutions

engineering services

thermal expansion

environmental conditions consideration

safety enhancement

cutting-edge techniques

stress points mitigation

resilience improvement

efficiency optimization

power generation

project-specific solutions

pipe flexibility analysis

technical acumen

client engagement

chemical processing sector

pipe support engineering

major piping installations

pipe support design

consulting services

oil and gas industry

collaborative approach

sophisticated analytical tools

vibration analysis

load distribution analysis

project execution

operational environments

Engineering Services

Located in Calgary, Alberta; Vancouver, BC; Toronto, Ontario; Edmonton, Alberta; Houston Texas; Torrance, California; El Segundo, CA; Manhattan Beach, CA; Concord, CA; We offer our engineering consultancy services across Canada and United States. Meena Rezkallah.

[inkcurlsandknives]

I'm doing it gang, I've spent stupider gardening money before like when I dropped $300 on shade loving perennial bulbs only to learn they were also plants that rotted with wet feet and all immediately died in my swampy gumbo soil

I'm buying two firefly petunias. I've never grown petunias much because where I live they're a winter annual but fuck it I'll grow them as an indoor plant I certainly have the sun to do it.

They're supposed to ship to me in April, I'll report back on if they immidiately die or this is the coolest thing I own. My biochemical engineering design project was using a similar chemical pathway to modify bacteria to glow in the presence of specific toxins so I absolutely need glowing petunias in my window box

[tesiadobrydnia]

Tesia Dobrydnia - An Experience in Safety Management

Tesia Dobrydnia has worked at Chevron for over 15 years, since graduating from Oregon State University where she studied Chemical Engineering. Her oil and gas industry experience includes a rich portfolio of safety management, process design, and small project management work.

[pocketbelt]

they announced one of the main writers for FFXIV: Dawntrail is the one who wrote the Shadowbringers trial series, "Sorrow of Werlyt", and the amount of people going "ew no that's the one that redeems Gaius" drives me kind of insane

That storyline takes Gaius and says "Behold this idiot, watch and be stunned as everything he ever said to anyone turned out to be fucking obviously wrong. Watch as the fascist imperialist philosophy he ingrained into his beloved children makes them run to their deaths, even as he pleads them not to, and they tell him to fuck himself and do it anyway. Marvel as he watches them die by your hand, you, who destroyed Gaius himself at the peak of his life, and he can do nothing to stop it", and that's a redemption arc to people

The only surviving kid only makes it because her brother acts to protect her, she doesn't make it because of any act of Gaius'

The entire story is literally "In case you somehow missed it in ARR and most of Stormblood, everything Gaius believed in was horseshit and there's no such thing as a 'noble general in the evil empire'". All his meritocracy bullshit vanished the second he was gone, no-one but his own children believed it or held onto it, and the empire put someone directly opposed to that belief into his old seat when he vanished. No-one cared, no-one else "believed", the Empire was never about that, it was only propped up in his own singular legion by him being there and the second he was gone the legion dumped it and moved on and only Gaius was too naive and stupid to see it.

I mean for fuck sake, the Empire digs up the chemical gas weapon he explicitly had sealed away and destroyed all record of after he's gone and if it wasn't for a particularly dedicated and enterprising catboy and his comedy crew of hardcore engineers, it would have caused the eighth apocalypse

Even the follow-up in patch 6.4, of the family portrait, isn't some "aw he good now" thing. The family portrait you help organise for him has to have four of its six members be projected onto the scene via a machine's reconstruction of them as normal people because they're dead, they threw their lives away because the ideology Gaius taught them meant they could only think to die fighting and nothing else. That's his loving family portrait: four ghosts stood at his back as his last living child smiles through her pain.

"well the people of Werlyt didn't kill him for conquering them" they let him clean up the mess he made (which meant watching his children be killed) and as "thanks" they're letting him stay there to live out the last third of his life or so attempting to atone by fixing the damage he did.

He's 56 at the time of ARR; the Empire he gave 3-4 decades of his life to is gone, it's a smouldering ruin, all but one of the people he loved is dead, his surviving daughter is scarred by the path he led her down, and what few friends he had are also dead. He learned that his beliefs were all horseshit and pretty much everyone around him except for himself knew it, he must live knowing that those beliefs got his children killed, all that he achieved that he once considered "good" was for nothing, he learned that the cool old emperor he idolised who had no magic but built an empire by pulling up his bootstraps and who told him that magic and gods were bad was actually an ancient incredibly magical sorceror attempting to resurrect his own god.

That's not a redemption arc, he's the most owned man still alive in XIV

[lawandeducation]

Top Benefits Of Taking A Study Abroad

Do you wish to Study Abroad Australia and grow your future? Depending on the subjects you chose in your Higher Secondary, you can pursue your career in Information and Communication. Before you prepare your visa application form, you must know exactly what Information and Communication Technology is all about.

What is Information and Communication Technology (ICT)?

If you wish to enroll for a study abroad program in ICT, then here is what you should know.

Your choice of subjects in Higher Secondary should be Physics, Chemistry, Mathematics, and Computer Science. After a Bachelors’s degree, you can also go for a Masters’s degree and later go for a Ph.D. degree too.

Students pursuing ICT for a Bachelor’s degree are provided with the knowledge on information and communication technology. They also receive education on certain subjects they chose as their specialization.

Basically, the course revolves around database design and management, computer and network configurations, and web and application programming. Students are also trained to specialize in certain areas of ICT. They choose to learn about in-depth or become a professional in that particular area of ICT.

Generally, students in the first year are offered one of the programs from below (this may be different for every college):

• ICT and Business • ICT and Software Engineering • ICT and Media Design • ICT and Infrastructure • ICT and Technology

Later, during the second year, they are offered to pick their specialization fields. Specialization fields included in ICT are:

• Mobile and Wireless communications • Computational Modelling • eHealth • Security and Privacy • Artificial Intelligence • Embedded Systems and IoT • Multimedia and e-Learning

What Do You Learn While Studying for a Bachelor’s Degree in ICT?

After completing your Higher Secondary or Intermediate, you can pursue a Bachelor’s degree course in Information and Communication Technology.

A Bachelor’s degree in ICT in general is a course that enhances the knowledge of students undergoing the course in subjects like systems management, network technology, business systems, software technology and systems analysis. Colleges try to design a course that provides the knowledge and skills so they may be eligible for a variety of employment positions in the industry of ICT. Several core units are similar across majors which allow the students to change majors in their first year without having to add too many units.

The knowledge and skills acquired by the students are usually consolidated in the form of a project in the final semester and there is a year of industry-based learning, too, which may be optional for some colleges.

What Do You Learn While Studying for a Master’s Degree in ICT?

A student must have completed their Bachelor’s in ICT before they can pursue their Master’s in ICT. Master’s in ICT is all about refining your skills and specializing in certain areas. This may include:

• Developing high-level skills through software projects, IT and practical industry • Learn in detail about system design, project management and testing and documentation • Pursue your interest in electronic engineering, computer science, networking electives, or any other are of interest

Colleges work on students to develop their advanced skills and knowledge, so they become adept in launching a global career in Information and Communication Technology.

What Do You Learn While Studying for a Ph.D. Degree in ICT?

A student who has successfully completed their Master’s in ICT is eligible to pursue their Ph.D. They may pick a choice of subject in which they would like to research on. While acquiring in-depth knowledge in the course that you chose to complete your Ph.D. in, you will:

• Evaluate the significance of both emerging and current business theory and practice from an interdisciplinary standpoint • Articulate and implement actual and effective solutions to complex problems that actually take place in the ICT industry • Apply your present research from ICT applied practical problems that exist in ICT management • Plan and execute thorough research that is helpful in the ICT management • Communicate your thoughts about an issue, the approaches taken in your research, the results, solutions and the assessments to the stakeholders

Career Opportunities

The ICT industry is highly remunerative and offers a variety of job roles to those who have completed their higher study abroad big data. Some job roles include that of

• Systems Architect • Quality Assurance Analyst • Enterprise System Application Developer • Project Manager • Business Requirements Analyst • Technical Writer • Multimedia Developer • Contract Manager • Data Warehouse Architect • Data Mining Specialist • Application Integration Specialist • User Interface Analyst

Information and Communication Technology is a lucrative career to be pursued. Get in touch with the best study engineering in australia so they can set you on the right path in your ICT Study Abroad Consultants.

[nasa]

Let's Explore a Metal-Rich Asteroid 🤘

Between Mars and Jupiter, there lies a unique, metal-rich asteroid named Psyche. Psyche’s special because it looks like it is part or all of the metallic interior of a planetesimal—an early planetary building block of our solar system. For the first time, we have the chance to visit a planetary core and possibly learn more about the turbulent history that created terrestrial planets.

Here are six things to know about the mission that’s a journey into the past: Psyche.

1. Psyche could help us learn more about the origins of our solar system.

After studying data from Earth-based radar and optical telescopes, scientists believe that Psyche collided with other large bodies in space and lost its outer rocky shell. This leads scientists to think that Psyche could have a metal-rich interior, which is a building block of a rocky planet. Since we can’t pierce the core of rocky planets like Mercury, Venus, Mars, and our home planet, Earth, Psyche offers us a window into how other planets are formed.

2. Psyche might be different than other objects in the solar system.

Rocks on Mars, Mercury, Venus, and Earth contain iron oxides. From afar, Psyche doesn’t seem to feature these chemical compounds, so it might have a different history of formation than other planets.

If the Psyche asteroid is leftover material from a planetary formation, scientists are excited to learn about the similarities and differences from other rocky planets. The asteroid might instead prove to be a never-before-seen solar system object. Either way, we’re prepared for the possibility of the unexpected!

3. Three science instruments and a gravity science investigation will be aboard the spacecraft.

The three instruments aboard will be a magnetometer, a gamma-ray and neutron spectrometer, and a multispectral imager. Here’s what each of them will do:

Magnetometer: Detect evidence of a magnetic field, which will tell us whether the asteroid formed from a planetary body

Gamma-ray and neutron spectrometer: Help us figure out what chemical elements Psyche is made of, and how it was formed

Multispectral imager: Gather and share information about the topography and mineral composition of Psyche

The gravity science investigation will allow scientists to determine the asteroid’s rotation, mass, and gravity field and to gain insight into the interior by analyzing the radio waves it communicates with. Then, scientists can measure how Psyche affects the spacecraft’s orbit.

4. The Psyche spacecraft will use a super-efficient propulsion system.

Psyche’s solar electric propulsion system harnesses energy from large solar arrays that convert sunlight into electricity, creating thrust. For the first time ever, we will be using Hall-effect thrusters in deep space.

5. This mission runs on collaboration.

To make this mission happen, we work together with universities, and industry and NASA to draw in resources and expertise.

NASA’s Jet Propulsion Laboratory manages the mission and is responsible for system engineering, integration, and mission operations, while NASA’s Kennedy Space Center’s Launch Services Program manages launch operations and procured the SpaceX Falcon Heavy rocket.

Working with Arizona State University (ASU) offers opportunities for students to train as future instrument or mission leads. Mission leader and Principal Investigator Lindy Elkins-Tanton is also based at ASU.

Finally, Maxar Technologies is a key commercial participant and delivered the main body of the spacecraft, as well as most of its engineering hardware systems.

6. You can be a part of the journey.

Everyone can find activities to get involved on the mission’s webpage. There's an annual internship to interpret the mission, capstone courses for undergraduate projects, and age-appropriate lessons, craft projects, and videos.

You can join us for a virtual launch experience, and, of course, you can watch the launch with us on Oct. 12, 2023, at 10:16 a.m. EDT!

For official news on the mission, follow us on social media and check out NASA’s and ASU’s Psyche websites.

Make sure to follow us on Tumblr for your regular dose of space!

[dokupine]

How do Piranha Plants look and act in Super Speculative Bros.? What about the fire spitting variant? Petey Piranha, too?

piranha plants are (unsurprisingly) carnivorous plants. In the wild, they’re pitfalls for prey larger than insects. Koopas have selectively bred and farmed them for aesthetics and usefulness as a trap. They can also digest organic matter very well, so they’re often used as trash bins. (Careless individuals might feed them indigestible things like glass and plastic) Throughout the year, the pitfall will close and bloom, attracting swarms of pollinators. The piranha plant will then grow new pitfall leaves, and the old ones will dry up and hang by its sides.

Fire-spitting piranha plants were a genetic engineering project to create a piranha plant that could snare its prey instead of relying on going unnoticed. It wasn’t very effective. They don’t actually spit fire, but their powerful digestive fluid instead. This is still deadly, the projectiles from some varieties can cause chemical burns. At best, the target just gets covered in disgusting goo.

Petey piranha is the mascot of company that industrially farms piranha plants. He’s starred in many animated PSAs about not over-watering your plants or feeding them garbage.

[elsewhereuniversity]

Once again, some engineering undergraduates have overestimated their own prowess and summoned something when they should have been finishing their homework. The engineering TAs would like to take this moment to remind all the engineering majors that it is not a part of our jobs to track down whatever you summon and that you will fail any and all assignments that summon anything. As per university policy, we cannot grade summonings.

As a precaution, until further notice, the maker’s space is now closed to all students. Access will only be allowed under the direct supervision of a TA (good luck finding us) or a professor (assuming you can find one outside of office hours). All senior theses must be hypothetical - any practical theses proposals have been retroactively rescinded. Laboratory research is expected to continue as usual.

Safety is everyone’s responsibility when working with the unknown! Your TAs have prepared some helpful reminders to reduce the chances this happens again.

Complete the mandatory Elsewhere Lab Safety Training! If you do not complete this by the end of the quarter, things will befall you! Don’t test our patience!

Never work alone in the lab! Not only is this bad practice for most experiments, but two are better than one when it comes to stopping unusual lab problems.

Carry your iron rod, salt packet, and water bottle at all times. Replacement rods are available at the academic advising office, salt packets can be taken from the dining halls, and water bottles can be found at the athletics department.

All projects must be made out of iron. For iron alloys and composites, consult a TA, professor, or postdoc to see if the iron percentage is higher than the threshold.

Follow university policy regarding safety best practices in the classroom and around campus.

Bioengineers: only use samples acquired directly from other labs. Neither Elsewhere University nor the Engineering Department can guarantee that samples arrive uncontaminated (remember the Great Homunculi disaster?).

Electrical engineers: the efficacy of copper against the Fair Folk is still yet to be determined. Do not listen to the upperclassmen who tell you that copper works just as well as iron. This has been suspected to be a way of hazing new students and violated the university hazing policies.

Chemical engineers: use the fume hoods. Accidents happen much less often when working in a well-ventilated area.

Civil engineers: your steel pins may contain too little iron to be useful. Do not rely on them in a pinch. Yes, they look cool, but it’s better to be safe than sorry. Your faculty advisors will be conducting iron checks to ensure you have enough iron on you at all times.

Mechanical engineers: how many times do we have to remind you that just because something could work doesn’t mean it’s a good idea to build it? Remember the machine that nonstop summoned things for weeks? And how hard that was to stop? Please don’t build that again, or anything like it.

And, as always, report accidents to the relevant safety authorities. The sooner the damage is evaluated, the sooner it can be contained and fixed.

On behalf of the entire department, we preemptively thank you for adjusting to this change in departmental policy.

Please understand that your midterm grades will be coming out late, as we are working hard to understand what was summoned and how: if anyone has information about it, please direct it to the Dean’s office.

- your engineering TAs

[jjinno]

Transforming Projects with Advanced Engineering Design and Consulting Services

Introduction

In the realm of engineering and construction, detailed and precise design is critical for success. At JJ Innovative, based in Pune, Maharashtra, we provide top-tier engineering design and consulting services tailored to meet the diverse needs of our clients across India. Our comprehensive approach integrates civil and structural engineering, MEP consulting, and advanced 3D modeling services to deliver exceptional results.

Detailed Engineering: Precision and Accuracy

Detailed engineering is an essential phase in the engineering design process. It involves creating thorough and precise designs that guide the construction and implementation of projects. At JJ Innovative, we excel in detailed engineering, offering services that encompass every aspect of your project. Our detailed engineering solutions ensure that all components of your project are meticulously planned and executed.

Our team of experts works closely with clients to understand their specific needs and deliver designs that adhere to industry standards. We provide detailed engineering services for various sectors, including commercial, residential, and industrial projects. Our focus on accuracy and precision helps minimize errors and optimize project outcomes.

MEP Consultants: Comprehensive Building Systems Design

Mechanical, Electrical, and Plumbing (MEP) systems are crucial for the functionality and efficiency of any building. As leading MEP consultants in Pune, JJ Innovative offers specialized services to design and integrate these systems seamlessly into your projects. Our MEP consultancy services cover a wide range of applications, from residential buildings to large-scale industrial facilities.

We provide comprehensive MEP design solutions, including HVAC systems, electrical layouts, and plumbing installations. Our team ensures that all MEP systems are designed to meet regulatory requirements and operate efficiently. By incorporating modern technologies and sustainable practices, we help clients achieve energy efficiency and cost savings.

Civil and Structural Engineering: Building Strong Foundations

Civil and structural engineering is the backbone of any construction project. At JJ Innovative, we offer expert civil and structural engineering services to ensure that your projects are built on a solid foundation. Our team of civil and structural engineers provides comprehensive design and consulting services that address all aspects of structural integrity and safety.

We work on a variety of projects, including residential buildings, commercial spaces, and infrastructure developments. Our civil and structural engineering services include site analysis, structural design, and construction supervision. By leveraging advanced engineering techniques and technologies, we deliver robust and reliable solutions that stand the test of time.

3D Design and Modeling Services: Bringing Ideas to Life

3D design and modeling have revolutionized the way projects are visualized and executed. JJ Innovative offers state-of-the-art 3D design services that bring your concepts to life with unparalleled clarity and detail. Our 3D modeling services are essential for accurate planning, design verification, and stakeholder communication.

Our team uses advanced 3D modeling software to create detailed and realistic representations of your projects. Whether you need 3D models for architectural design, civil engineering, or plant design, we provide solutions that enhance project planning and execution. Our 3D design services also facilitate better decision-making and reduce the risk of design errors.

Plant Design Engineering Services: Optimizing Industrial Facilities

Plant design engineering is critical for the successful operation of industrial facilities. At JJ Innovative, we offer specialized plant design engineering services that cater to various industries, including chemical plants and manufacturing facilities. Our plant design solutions encompass detailed engineering, 3D modeling, and system integration.

We provide comprehensive plant design services, including layout planning, equipment selection, and process optimization. Our team ensures that all plant design aspects are aligned with industry standards and client requirements. By incorporating innovative technologies and sustainable practices, we help clients achieve efficient and cost-effective plant operations.

Solar and Wind Energy Solutions: Embracing Sustainable Practices

Sustainable energy solutions are becoming increasingly important in today’s world. JJ Innovative is at the forefront of providing solar and wind energy solutions that promote green power and environmental sustainability. Our team of experts offers consulting and design services for integrating renewable energy sources into your projects.

We provide comprehensive solar and wind energy solutions, including system design, installation, and maintenance. Our services are tailored to meet the specific needs of residential, commercial, and industrial clients. By leveraging the latest technologies and best practices, we help clients harness the power of renewable energy and reduce their carbon footprint.

Conclusion

JJ Innovative is your go-to partner for advanced engineering design and consulting services in Pune, Maharashtra, and across India. With expertise in detailed engineering, MEP consulting, civil and structural engineering, 3D modeling, and plant design, we deliver exceptional results for a wide range of projects. Contact us today to learn more about our services and how we can help you achieve your project goals.

[jcmarchi]

Researchers demonstrate the first chip-based 3D printer

New Post has been published on https://thedigitalinsider.com/researchers-demonstrate-the-first-chip-based-3d-printer/

Researchers demonstrate the first chip-based 3D printer

Imagine a portable 3D printer you could hold in the palm of your hand. The tiny device could enable a user to rapidly create customized, low-cost objects on the go, like a fastener to repair a wobbly bicycle wheel or a component for a critical medical operation.

Researchers from MIT and the University of Texas at Austin took a major step toward making this idea a reality by demonstrating the first chip-based 3D printer. Their proof-of-concept device consists of a single, millimeter-scale photonic chip that emits reconfigurable beams of light into a well of resin that cures into a solid shape when light strikes it.

The prototype chip has no moving parts, instead relying on an array of tiny optical antennas to steer a beam of light. The beam projects up into a liquid resin that has been designed to rapidly cure when exposed to the beam’s wavelength of visible light.

By combining silicon photonics and photochemistry, the interdisciplinary research team was able to demonstrate a chip that can steer light beams to 3D print arbitrary two-dimensional patterns, including the letters M-I-T. Shapes can be fully formed in a matter of seconds.

In the long run, they envision a system where a photonic chip sits at the bottom of a well of resin and emits a 3D hologram of visible light, rapidly curing an entire object in a single step.

This type of portable 3D printer could have many applications, such as enabling clinicians to create tailor-made medical device components or allowing engineers to make rapid prototypes at a job site.

“This system is completely rethinking what a 3D printer is. It is no longer a big box sitting on a bench in a lab creating objects, but something that is handheld and portable. It is exciting to think about the new applications that could come out of this and how the field of 3D printing could change,” says senior author Jelena Notaros, the Robert J. Shillman Career Development Professor in Electrical Engineering and Computer Science (EECS), and a member of the Research Laboratory of Electronics.

Joining Notaros on the paper are Sabrina Corsetti, lead author and EECS graduate student; Milica Notaros PhD ’23; Tal Sneh, an EECS graduate student; Alex Safford, a recent graduate of the University of Texas at Austin; and Zak Page, an assistant professor in the Department of Chemical Engineering at UT Austin. The research appears today in Nature Light Science and Applications.

Printing with a chip

Experts in silicon photonics, the Notaros group previously developed integrated optical-phased-array systems that steer beams of light using a series of microscale antennas fabricated on a chip using semiconductor manufacturing processes. By speeding up or delaying the optical signal on either side of the antenna array, they can move the beam of emitted light in a certain direction.

Such systems are key for lidar sensors, which map their surroundings by emitting infrared light beams that bounce off nearby objects. Recently, the group has focused on systems that emit and steer visible light for augmented-reality applications.

They wondered if such a device could be used for a chip-based 3D printer.

At about the same time they started brainstorming, the Page Group at UT Austin demonstrated specialized resins that can be rapidly cured using wavelengths of visible light for the first time. This was the missing piece that pushed the chip-based 3D printer into reality.

“With photocurable resins, it is very hard to get them to cure all the way up at infrared wavelengths, which is where integrated optical-phased-array systems were operating in the past for lidar,” Corsetti says. “Here, we are meeting in the middle between standard photochemistry and silicon photonics by using visible-light-curable resins and visible-light-emitting chips to create this chip-based 3D printer. You have this merging of two technologies into a completely new idea.”

Their prototype consists of a single photonic chip containing an array of 160-nanometer-thick optical antennas. (A sheet of paper is about 100,000 nanometers thick.) The entire chip fits onto a U.S. quarter.

When powered by an off-chip laser, the antennas emit a steerable beam of visible light into the well of photocurable resin. The chip sits below a clear slide, like those used in microscopes, which contains a shallow indentation that holds the resin. The researchers use electrical signals to nonmechanically steer the light beam, causing the resin to solidify wherever the beam strikes it.

A collaborative approach

But effectively modulating visible-wavelength light, which involves modifying its amplitude and phase, is especially tricky. One common method requires heating the chip, but this is inefficient and takes a large amount of physical space.

Instead, the researchers used liquid crystal to fashion compact modulators they integrate onto the chip. The material’s unique optical properties enable the modulators to be extremely efficient and only about 20 microns in length.

A single waveguide on the chip holds the light from the off-chip laser. Running along the waveguide are tiny taps which tap off a little bit of light to each of the antennas.

The researchers actively tune the modulators using an electric field, which reorients the liquid crystal molecules in a certain direction. In this way, they can precisely control the amplitude and phase of light being routed to the antennas.

But forming and steering the beam is only half the battle. Interfacing with a novel photocurable resin was a completely different challenge.

The Page Group at UT Austin worked closely with the Notaros Group at MIT, carefully adjusting the chemical combinations and concentrations to zero-in on a formula that provided a long shelf-life and rapid curing.

In the end, the group used their prototype to 3D print arbitrary two-dimensional shapes within seconds.

Building off this prototype, they want to move toward developing a system like the one they originally conceptualized — a chip that emits a hologram of visible light in a resin well to enable volumetric 3D printing in only one step.

“To be able to do that, we need a completely new silicon-photonics chip design. We already laid out a lot of what that final system would look like in this paper. And, now, we are excited to continue working towards this ultimate demonstration,” Jelena Notaros says.

This work was funded, in part, by the U.S. National Science Foundation, the U.S. Defense Advanced Research Projects Agency, the Robert A. Welch Foundation, the MIT Rolf G. Locher Endowed Fellowship, and the MIT Frederick and Barbara Cronin Fellowship.

[ghcstao3]

Can we have more cat!soap and cat shifter!ghost please? Maybe the group that had the chemicals was trying to create shifters for business or something

for sure we can have more

while reverse-engineering whatever mess had turned soap into a cat, it’s discovered the warehouse they’d raided had a side project of seeing if they could make shifters out of regular people—only, they ever got so far as a concoction that would turn someone into an animal while keeping their human conscience, and that was the extent of it.

so, now, soap is a cat. a cat somehow grumpier than ghost if only because it isn’t normal for him. but whatever. at least ghost is of help getting him reoriented with his body while they try and figure every out.

but then ghost is doing… cat things. grooming soap, knocking heads with him, forcing him to cuddle. he purrs like a motor around soap, and soap thinks ghost has maybe shifted back to human form once during this whole ordeal, otherwise maximizing his time spent with soap the cat. soap doesn’t understand it—what’s so different about their relationship when he, too, is a cat? whatever reasoning is beyond him.

though, he can say it’s pretty cool being able to understand ghost’s meows and chirps that could only ever been somewhat accurately interpreted by human ears. and, well—soap can also see very well the appeal of blaming cat instincts to get away with things, finally able to knock things off price’s desk without reprimand as a cause of his current situation. there are benefits.

soap just also wishes he could figure out what ghost’s angle is here.

[carionto]

What doesn't kill you makes you think you're on to something

(inspired by a comment on another post)

Humans have this... almost non-existent appreciation for preventative caution. Sure, their safety measures are the most robust and redundant we have ever encountered - it would be near impossible for a Human space ship to sustain any kind of critical failure outside of combat.

If Humans weren't the ones using it that is.

Going through their public archives, we learned of a thing called Project Orion.

What the fuck, we asked.

"Well, it sorta worked. But then we figured that's a lot of wasted energy, so we put those inside and directed them backwards in a continuous manner, but generally went with conventional rocket propulsion. That worked out beautifully. Modern grav engines and kinetic pulse drives are much better, yes, but there's something about a good chemical burn that's just... romantic, in a way."

You!!! WHAT!?! You call this devastation "romantic"???

"Oh that's a good one, yea. The Apollo program was super cool. I read you could feel the thump of the Saturn engines blasting off from miles away. You get a similar feeling from a rail cannon going off, but that lacks that primal beauty of the flames. Though it does have that hefty kick, a real oomph through your bones, plus if it hits anything, you get a real pretty trail of sparkling particles shooting off. Like a miniature galaxy drifting away before your eyes..."

People died in all these programs! Some ships exploded!! We contested.

"It's always a shame, but, well, how else are you supposed to make progress? Can't know what needs fixing until it goes wrong. And most failures did not kill anyone, so we knew we were on the right track with those. Sometimes all that keeps you from the stars is a lack of extra armor plating."