human power

Green tech finds

Green tech finds

eople-powered gyms, transmitting from turtles in Illinois, and combining flies and poop for good use… your green tech finds for the week.

  • The open-source solar concentrator: Designer Eerik Wissenz claims that his Solar Fire open source solar concentrator concept can harvest power at ten times cheaper than photovoltaics. Check it out in the video above… (via Earth Techling)
  • New university trend — the human-powered gym: Powering exercise and recreation facilities with energy harvested from workout equipment is catching on at universities… the Sustainable Cities Collective takes a closer look at Drexel University’s approach.
Green tech finds (6/16/11)

Green tech finds (6/16/11)


A pedal-powered helicopter, a very low-tech speaker for your iPhone made from bamboo, and an online map of solar power potential for NYC… your green tech finds for the week.

  • The pedal-powered helicopter: Think it’s impossible to achieve this kind of flight on human power alone? Engineering students at the University of Maryland managed to get off the ground for 4.2 seconds (a US national record) in their Gamera helicopter. See more about the project in the video above. (via Crisp Green)
  • Reused wine bottles: New company Wine Bottle Renew claims it can clean pre-consumer wine bottles (from tasting rooms and manufacturers) to the point where they’re better than new… and cheaper, also. (via Earth 911)