mxeff@feddit.org to Science Memes@mander.xyzEnglish · 2 days agoIf God had wanted us to have nearly unlimited clean energy, He would have placed a fusion reactor into the sky.feddit.orgimagemessage-square189fedilinkarrow-up11.1Karrow-down113
arrow-up11.09Karrow-down1imageIf God had wanted us to have nearly unlimited clean energy, He would have placed a fusion reactor into the sky.feddit.orgmxeff@feddit.org to Science Memes@mander.xyzEnglish · 2 days agomessage-square189fedilink
minus-squareAceticon@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up3·2 days agoAll it takes is a water pipe painted black zigzagging inside a box which is black inside and has the sun facing side replaced by glass. You can get hot water from something like that even in Winter.
minus-squareSaveTheTuaHawk@lemmy.calinkfedilinkEnglisharrow-up4·2 days agoyou can get>200F from a passive solar air heater made of soda cans on a 30F day. https://www.instructables.com/Aluminum-Can-Solar-Heater/
All it takes is a water pipe painted black zigzagging inside a box which is black inside and has the sun facing side replaced by glass.
You can get hot water from something like that even in Winter.
you can get>200F from a passive solar air heater made of soda cans on a 30F day.
https://www.instructables.com/Aluminum-Can-Solar-Heater/