Electronics

A wearable device records the sounds of knees cracking, which could reveal clues about the condition of the joint. Christopher Intagliata reports.

Gadget makers experiment with translucent solar cells that let touch screens draw energy from the sun

Small size and new material go into devices that mimic the speed and efficiency of neurons

A new type of micro aerial vehicle saves precious power by perching on leaves or walls instead of hovering

As cyber attacks grow ever more sophisticated, those who defend against them are embracing behavioral science and economics to understand both the perpetrators and their victims

Has my series on DEFCON 2015 terrified you with tales of how hackers can infiltrate your life in any number of ways—from your social media accounts to the government to your car? If you’re feeling helpless against hackers, here are some of the best ways to safeguard yourself and your technology

A patient’s cell-phone fixation betrays a more serious problem

Despite the rush to virtual reality, the medium faces major challenges when it comes to filmmaking

Are mobile devices ruining today's children? Science weighs in

That ability could lead to more engaging coursework and machines that better understand human emotions

Mexican authorities say all 87 million voters’ addresses and other details were left open to public view without a password

The lack of security built into phone networks leaves callers vulnerable to snooping, but the growth of encrypted communications will help protect privacy