Electronics

New machine-learning technique can distinguish living bodies from deceased ones 

AR headsets are still bulky and expensive, but smartphone-based apps are filling the gap

An electronic device increases their speed, and later versions could control their direction as well

Originally published in April 1895

The device uses lasers to accelerate electrons along an etched channel

The fiber-optic cables that connect the global Internet could potentially be used as seismic sensors. Christopher Intagliata reports. 

The process could lead to the creation of tougher, more biocompatible electronic devices

World-changing technologies that are poised to rattle the status quo

Lightweight, flexible patch conveys a tactile sensation directly to the skin

New findings suggest angst over the technology is misplaced

Can you really “reach out and touch someone” via text?

Here are five scientific applications that take the navigation system beyond the map