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prathameshcyadav-blog · 5 years ago
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Two-dimensional sheets of boron nitride can be used to create an analogue switch that gives communication devices more efficient access to radio, 5G and terahertz frequencies while increasing their battery life. Analogue switches are routinely employed in communication systems to switch from one frequency band to another, route signals between transmitting and receiving antennas, and reconfigure wireless networks. Traditionally, these switches are based on solid-state diodes or transistors, but components of this type consume energy even in standby mode, reducing the battery life of the device. With 5G networking set to drive a tenfold increase in data throughput – enabling advances in self-driving cars, delivery drones, remote surgery and fast downloads of high-definition media in the process – addressing this energy drain is more urgent than ever. Researchers has now made an analogue switch from atomically thin sheets of hexagonal boron nitride (hBN). This material belongs to the same family as graphene (indeed, it is sometimes called “white graphene” for its resemblance to sheets of one-atomic-layer-thick carbon) and comprises a single layer of boron and nitrogen arranged in a honeycomb pattern. The material’s unusual electronic properties – including a large bandgap and high phonon energies – make it an excellent dielectric. The device is configured in a metal-insulator-metal sandwich on a diamond substrate, and Researchers demonstrated that it can transmit multiple HDTV streams at a frequency of 100 GHz – something unheard-of in broadband switch technology, They also says. It can also switch between states in nanoseconds, remain in the “off” state when not operating (so saving battery life), and transmit data well above the baseline for 5G-level speeds. ( UT)
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prathameshcyadav-blog · 5 years ago
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At a time you may feel alone or lonely, and there might come thoughts like let's go hang out with people out there in case if they are below your standards. Now, below your standards means someone who doesn't add up values for the time you would be spending with them, one who destroys your self being, either way they casuing a questionnaire to who you are, stay away from these people. Trust me, being alone will make you one of strongest person; it will nurture your thoughts and your ability to face either challenges bravely. #lifetime #life lesson #positive #positives #being alone #stay calm
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