Computer Sciences

Light bulb vibrations yield eavesdropping data

In an era of digital eavesdropping where hackers employ a variety of means to take over built-in video cameras, peruse personal digital data and snoop on cellular conversations, researchers have finally seen the light.

Internet

Developing 'indoor solar' to power the Internet of Things

From Wi-Fi-connected home security systems to smart toilets, the so-called Internet of Things brings personalization and convenience to devices that help run homes. But with that comes tangled electrical cords or batteries ...

Engineering

Clever coating turns lampshades into indoor air purifiers

Indoor air pollution may have met its match. Today, scientists will report that they have designed catalyst-coated lampshades that transform indoor air pollutants into harmless compounds. The lampshades work with halogen ...

Security

Website rates security of internet-connected devices

If you're in the market for an internet-connected garage door opener, doorbell, thermostat, security camera, yard irrigation system, slow cooker—or even a box of connected light bulbs—a new website can help you understand ...

Energy & Green Tech

Human energy to bring power by the pedal

Manoj Bhargava, founder of Billions in Change, calls up two words as the stars of his show. Energy, water. He reminds us what may be obvious but often ignored. They hold the key to other things that keep the poor, well, poor. ...

page 1 from 2