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 ...

Engineering

LED bulbs can both light a room and provide communications link

Researchers at Disney Research and ETH Zurich have demonstrated that consumer-grade light-emitting diode (LED) bulbs can, with some modifications, do double duty—both illuminating a room and providing a communications link ...

Consumer & Gadgets

Philips white bulbs enable controls for dimmed or energizing light

Sunny days are easily linked to feelings of well being; gloomy days with no sun in sight are accordingly linked to feelings of sadness. That's the easy part. People who work night shifts have a more complex problem of missing ...

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. ...

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