Wearable device uses urine to power wireless transmitter
Scientists have developed a first self-sufficient system powered by a wearable energy generator that uses urine to power wireless transmitter.
Dec 13, 2015, 20:08 PM ISTThis row-bot loves dirty water
The Row-bot mimics the way a water boatman moves and the way it feeds on rich organic matter in the dirty water it swims in.
Nov 30, 2015, 17:10 PM IST