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Cryptographic “tag of everything” could protect the supply chain

 Tiny, battery-free ID chip can authenticate nearly any product to help combat losses to counterfeiting.   To combat supply chain counterfeiting, which can cost companies billions of dollars annually, MIT researchers have invented a cryptographic ID tag that’s small enough to fit on virtually any product and verify its authenticity. A 2018 report from the …

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Sending clearer signals

 Associate Professor Yury Polyanskiy is working to keep data flowing as the “internet of things” becomes a reality.   In the secluded Russian city where Yury Polyanskiy grew up, all information about computer science came from the outside world. Visitors from distant Moscow would occasionally bring back the latest computer science magazines and software CDs …

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System helps smart devices find their position

 Connected devices can now share position information, even in noisy, GPS-denied areas.   A new system developed by researchers at MIT and elsewhere helps networks of smart devices cooperate to find their positions in environments where GPS usually fails. Today, the “internet of things” concept is fairly well-known: Billions of interconnected sensors around the world …

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Photovoltaic-powered sensors for the “internet of things”

 RFID-based devices work in indoor and outdoor lighting conditions, and communicate at greater distances.   By 2025, experts estimate the number of “internet of things” devices — including sensors that gather real-time data about infrastructure and the environment — could rise to 75 billion worldwide. As it stands, however, those sensors require batteries that must be …

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Securing the “internet of things” in the quantum age

 Efficient chip enables low-power devices to run today’s toughest quantum encryption schemes.   MIT researchers have developed a novel cryptography circuit that can be used to protect low-power “internet of things” (IoT) devices in the coming age of quantum computing. Quantum computers can in principle execute calculations that today are practically impossible for classical computers. …

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Introducing the latest in textiles: Soft hardware

 Researchers incorporate optoelectronic diodes into fibers and weave them into washable fabrics.   The latest development in textiles and fibers is a kind of soft hardware that you can wear: cloth that has electronic devices built right into it. Researchers at MIT have now embedded high speed optoelectronic semiconductor devices, including light-emitting diodes (LEDs) and …

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