At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty.... continue reading

posted by Mordhaus 1 year 3 months 2 weeks ago • 192 views • 7:08

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 1 year 7 months 4 weeks ago • 442 views • 5:46

The Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War. It had excellent accuracy, penetration and range, but its size made transportation difficult. It was nicknamed "Norsupyssy"... continue reading

posted by Mordhaus 2 years 1 month ago • 39 views • 10:14

From NYT: "...a really big drain called a spillway. And once you see it full of spiraling water, it is hard to take your eyes off it. For the first time in a decade, January and February have brought... continue reading

posted by chicchorea 2 years 4 months ago • 1,649 views • 1:31

It takes less acceleration to get to other stars than our own sun. Crazy, huh?

posted by Mordhaus 2 years 4 months 2 weeks ago • 1,859 views • 3:13

Kablooey!

posted by PlayhousePals 3 years 1 month ago • 136 views • 6:36