Energy & Green Tech

Harvesting energy from moving trains

The Virginia Tech Center for Vehicle Systems and Safety (CVeSS) and the Railway Technologies Laboratory want to harness the energy created by moving trains and transform that energy into usable electricity.

Electronics & Semiconductors

Highspeed visible light communication based on micro LEDs

The evolution of next-generation cellular networks is aimed at creating faster, more reliable solutions. Both the next-generation 6G network and the metaverse require high transmission speeds. Visible light communication ...

Telecom

Verizon, AT&T delay some 5G service over airlines' concerns

Federal regulators say Verizon and AT&T will delay part of their 5G rollout near airports to give airlines more time to ensure that equipment on their planes is safe from interference from the wireless signals, but the airline ...

Telecom

New countermeasure against unwanted wireless surveillance

Smart devices are supposed to make our everyday lives easier. At the same time, however, they are a gateway for passive eavesdropping. To prevent possible surveillance of the movement profile within one's home, researchers ...

Electronics & Semiconductors

New tech can double spectral bandwidth in some 5G systems

Some materials, like wood, are insulators that block the flow of electricity. Conductors, such as copper, allow for electricity to flow through them. Other materials—semiconductors—can be either/or depending on conditions ...

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