Tuesday, September 23, 2008

tree power

MIT has figured out a way to plug a remote environmental sensor directly into a tree using the very small amount of electrical power every tree generates to recharge the sensor's battery and transmit the signal over the network of sensors and eventually back to a data collection station. this is amazing


1 comment:

notbot said...

Awesome! In case anyone is looking for the short answer, the article says the electricity comes from "An imbalance in pH between a tree and the soil it grows in", which I guess is different than how potato batteries work.