From Youtube, "In and out, in and out. Staying alive is about doing things. This very second, your cells are combusting glucose molecules with oxygen to make energy available, which keeps you alive for... continue reading

posted by w1ndex 4 years 4 months 2 weeks ago • 324 views • 11:05

From Youtube, "In this video I demonstrate the workings of a Tesla Valve using the combustion of propane as a visible medium"

posted by w1ndex 5 years 3 months 2 weeks ago • 525 views • 5:53

YouTube description: Every time a Delta IV launches people inevitably ask if the rocket consuming fireball is supposed to happen. The answer is yes, this is caused by the rocket purging its engines... continue reading

posted by Aard Vark (oritteropo) 7 years 2 months 2 weeks ago • 803 views • 6:14

In which Derek drives a replica of the first internal combustion engine car patented by Karl Benz in 1886 and talks about how cars have improved since then (claims about Nazi speed records on public roads... continue reading

posted by Aard Vark (oritteropo) 7 years 4 months 1 week ago • 476 views • 9:14

I built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading

posted by Mordhaus 7 years 5 months ago • 454 views • 5:46

I built this pottery kiln and some pottery from termite mound clay to test an alternative clay source to my usual one from the creek bank. I started by making a large grate from ordinary clay. It was just... continue reading

posted by Mordhaus 8 years ago • 420 views • 11:27

I invented the Bow Blower, a combination of the bow drill and forge blower to make a device that can force air into a fire while being easy to construct from commonly occurring natural materials using... continue reading

posted by Mordhaus 8 years 8 months ago • 1,388 views • 4:32

YouTube description: I made a batch of charcoal using the mound method then stored it in baskets for later use. Charcoal is a fuel that burns hotter than the wood it's made from. This is because the... continue reading

posted by Aard Vark (oritteropo) 9 years 1 month 1 week ago • 1,004 views • 5:31