Engineering

Sound-powered sensors stand to save millions of batteries

Sensors that monitor infrastructure, such as bridges or buildings, or are used in medical devices, such as prostheses for the deaf, require a constant supply of power. The energy for this usually comes from batteries, which ...

Security

US proposes remote ID requirement for drones

US regulators on Thursday unveiled a proposal to require privately operated drones to use remote identification—a kind of electronic license plate—as part of efforts to ensure airspace safety.

Business

Private, online and hi-tech: the coronavirus economy

The coronavirus pandemic has sent stock markets into freefall and industries to the wall, however many firms enabling more private, online and tech-based living are emerging as potential winners.

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