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How a straightforward technology is saving turtles

Shrimp fishing is one amongst the largest threats to the world’s ocean turtles. Every year, tens of thousands of Pacific ridley, Kemp’s marine turtle, loggerhead, green, and marine turtle turtles get trapped—and drown—inside the trawl nets that shrimp boats drag on the ocean floor. however a straightforward invention known as the Turtle Excluder Device (TED) helps them swim free.

© Richard Bornemann/WWF-US

As trawl nets square measure force on the ocean floor, they withdraw shrimp in their wide mouths and funnel their catch through a narrowing sleeve of mesh that ends in an exceedingly bag. however the nets conjointly oftenensnare alternative, larger species—from ocean turtles to fish to sharks.

© Richard Bornemann/WWF-US

A Turtle Excluder Device could be a easy metal grid that matches within the neck of a fishnet. It’s primarily a filter: whereas shrimp pass between its bars to the rear of Infobahn, turtles and alternative larger animals bump against the grid and escape through a flap within the mesh.

Better with age

TEDs 1st appeared within the late Nineteen Seventies, once the National Marine Fisheries Service created them to assist shrimp trawlers within the Gulf of North American nation scale back the quantity of turtles obtaining caught in their nets. Through testing and technological advances, the tool has undergone various enhancements within the decades since.

97%

Tests by the U.S. National Oceanic and region Administration have found a ninety seven call turtle captures through the utilization of TEDs. alternative studies have found that TEDs scale back overall by-catch by the maximum amount as ninety one.

Uncommon divisor

It is currently necessary for all industrial shrimping fleets within the U.S. to use TEDs, however the devices haven’t nonetheless become common in fleets at the worldwide level.

Back on the beach

Fishing operations wont to be a primary reason behind death for Florida’s inexperienced turtles. however since the unfold of TEDs throughout U.S. shrimping fleets, the animal’s population has adult. There was a record range of marine turtle nests on FL beaches in 2015.

Better, faster, stronger

TEDs don’t simply lower turtle mortality: They improve the standard of shrimp catch. For one issue, the devices forestall turtles and alternative larger species from crushing the shrimp. and since the TEDs take away heavier species from the nets, shrimp boats get augmented fuel potency.

Sustainable horizons

WWF is functioning with a large array of partners—from fishing communities to governments to monetaryinstitutions—to promote broader use of TEDs as a tool for property and accountable fishing.

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Vehicle Safety Through fashionable Technology

A group of CalTech engineering graduate students won the international championship for the 2019 body Student Safety Technology style Competition (SSTDC), hosted by the National route Traffic Safety Administration within the European nation, June 10-13. A panel of judges of car safety engineering specialists from round the world awarded the scholars for his or her hit collision feature, referred to as PREPARES. once Associate in Nursing close at hand collision is detected via Associate in Nursing algorithmic program, PREPARES beeps and flashes a bright light-weight across the highest of the screen as a warning to the driving force and passengers. The alert prompts vehicle occupants to involuntarily sit upright and face forward within the seconds before impact, reducing the severity of whiplash and alternative soft tissue injuries. Learn additional regarding PREPARES and the way it works. “As a team, we tend to square measure actually proud not solely to possess won the competition, however conjointly that such a big amount of those that we tend to spoke with throughout the conference thought that our PREPARES system, a system that we tend to solely began to develop in Gregorian calendar month as a bunch of scholars, might very have a positive impact on rising transportation safety,” aforementioned Adam Novotny, a postgraduate within the Department of medical specialty Engineering and Mechanics (BEAM). “All of the scholar groups within the competition were extraordinarily obsessed with vehicle safety, that i believe may be a nice sign for the longer term of transportation, as we are going to solely still find out how to develop innovative technologies to deal with transportation challenges.” Competition attendees, together with vehicle makers, suppliers, federal safety regulators, and alternative trade specialists, praised the technology for its extraordinary safety potential, per Zachary Doerzaph, director of VTTI’s Center for Advanced Automotive Systemsand the team’s school adviser. he's conjointly a BEAM professor. “I am very happy with the PREPARES Team. Formal recognition of our innovation demonstrates the unimaginable potential of multidisciplinary room environments and self-empowered student cooperation," aforementioned Doerzaph. "These students extended learning well outside of the room surroundings, rolled up their sleeves, and created one thing actually distinctive with the potential to form a true distinction within the world. this can be an amazing embodiment of Ut Prosim and a unprecedented motivation on behalf of me as a teacher.” SSTDC is command throughout the International Technical Conference on the improved Safety of Vehicles, the sole government-sponsored vehicle safety conference that brings along leading engineering specialists from governments, automobile makers, suppliers, safety researchers, and alternative motorcar safety professionals. The competition strives to encourage additional students to urge concerned in vehicle safety. Although the PREPARES team members have achieved the best student honor for his or her feature, their work continues. the scholars have obtained a conditional patent for his or her technology and arrange to continue refinement the system’s sensing techniques, threat assessment algorithmic program, and driver interface. “While results square measure positive, we tend to believe any refinement of PREPARES can increase effectiveness and broaden the applicable use cases specified all occupiers of the vehicle can receive safety edges - each close to term and well into the longer term as machine-driven vehicles change a myriad of recent occupant seating opportunities,” explained Doerzaph. “Our team is worked up to any improve our system and hope that this project can encourage America to still perform meaning analysis in our many alternative fields, all with the hope that we will create the roads simply a bit bit safer,” aforementioned Novotny. The team is actively seeking partners to assist develop PREPARES into a completely valid production safety system. Interested parties ought to contact Doerzaph at Zac@vtti.vt.edu or 540-231-1046. The project was funded partly by the protection through Disruption (Safe-D) National UT1, a grant from the U.S. Department of Transportation’s University Transportation Centers Program.

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