Engineering

Engineers configure RFID tags to work as sensors

These days, many retailers and manufacturers are tracking their products using RFID, or radio-frequency identification tags. Often, these tags come in the form of paper-based labels outfitted with a simple antenna and memory ...

Engineering

Communications system achieves fastest laser link from space yet

In May 2022, the TeraByte InfraRed Delivery (TBIRD) payload onboard a small CubeSat satellite was launched into orbit 300 miles above Earth's surface. Since then, TBIRD has delivered terabytes of data at record-breaking rates ...

Engineering

Surface steers signals for next-gen networks

5G communications' superfast download speeds rely on the high frequencies that drive the transmissions. But the highest frequencies come with a tradeoff.

Hardware

Radio waves for the detection of hardware tampering

As far as data security is concerned, there is an even greater danger than remote cyberattacks: namely tampering with hardware that can be used to read out information—such as credit card data from a card reader. Researchers ...

Energy & Green Tech

Energy-harvesting phone works without battery

(Tech Xplore)—What would you say to a cell phone that works without a battery? A barest-bone keypad and LD light as quite unsnazzy components? If you cannot live without showy capabilities of smartphones then you might ...

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