Neptune's tidal power concept is a failure

Like the tides, tidal power’s fortunes rise and fall.

This non-toxic generator fits in your pocket

If Hurricane Sandy taught us anything, it’s that there’s no substitute for personal preparation when it comes to natural disasters.

Self-powered touchscreens created

Touchscreens could generate their own power, thanks to the discovery of a new method of energy harvesting.

Viruses harnessed to generate electricity

Berkeley Lab scientists have found a way to make harmless viruses harvest mechanical energy, which could then be used, say, to charge a phone as its owner walks along.