Small islands may amplify tsunamis

Small islands, long thought to be natural tsunami barriers for coast-dwellers, may in fact amplify the waves they are supposed to break, researchers warned Wednesday.

Capturing wasted electricity with triboelectric generators

(Phys.org) —With one stomp of his foot, Zhong Lin Wang illuminates a thousand LED bulbs – with no batteries or power cord. The current comes from essentially the same source as that tiny spark that jumps from a fingertip ...

Startup has plans for power plants in sky with drones

(Phys.org) —Here is the idea: flying power plants in the sky as a means of providing clean, renewable energy. Here is more of the idea: this would be a high-altitude aerial power plant that harvests energy from solar, ...

page 4 from 14