Zero Breeze is raising funds for Zero Breeze - The World’s Coolest Portable Air Conditioner on Kickstarter! Portable, Smart, Multifunctional Air Conditioner that includes a bluetooth speaker, a night light, and a smartphone charging station.
Building A Chicken Coop - A solar ventilator to cool the chicken coop.add a solar powered fan and light just in case you need it. - Building a chicken coop does not have to be tricky nor does it have to set you back a ton of scratch.
Thermoelectric Fan Powered by a Candle Better writeup than many. Looks good due to heatsink used. A Thermoelectric generator powered by a tealight. It started as an experiment of how much power I could get from one candle. But I liked the idea and it wo