From YouTube, "A CSB safety video about the June 21, 2019, fire, explosions, and toxic hydrofluoric acid (HF) release at the Philadelphia Energy Solutions refinery in Philadelphia, Pennsylvania. A severely... continue reading

posted by w1ndex 1 year 6 months 2 weeks ago • 260 views • 18:02

The Lamborghini Miura is regarded by many to be the world’s first supercar. It set the car world on fire with its groundbreaking mid-engine layout, monster performance, and looks that could kill. Join... continue reading

posted by Joe Motion (lurgee) 5 years 8 months 4 weeks ago • 94 views • 12:42

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 6 years 2 months 1 week ago • 406 views • 7:08

I built a water powered hammer called a “Monjolo”. I started by making a water spout from half a hollow log to direct water from the creek. This was set up in the creek and water flowed through it.... continue reading

posted by Joe Motion (lurgee) 7 years 2 weeks ago • 1,216 views • 8:51

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 7 years 1 month 2 weeks ago • 419 views • 11:27

In this video I build a garden to grow Cassava and yams, two staple food crops. Cassava is a shrub that develops large edible roots. Yams are a climbing vine that produce large, edible underground bulbs... continue reading

posted by Mordhaus 7 years 2 months 2 weeks ago • 99 views • 6:27

The wildfire in this video is actually an azeotropic mixture of trimethyl borate and methanol. Trimethyl borate burns with an intense green flame that looks very much like wildfire from "Game of Thrones". ... continue reading

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 7 years 9 months 2 weeks ago • 1,388 views • 4:32

I built this grass hut up on a ridge. It's roughly parallel with the tiled hut and wattle and daub hut that are a couple of hundred meters away down in a valley. I built it on a ridge to get away from... continue reading

posted by Mordhaus 7 years 10 months 2 weeks ago • 567 views • 4:17

YouTube description: There's a big fire in the building and suddenly all the sprinklers turn on -- that's not really how works. Let science extinguish this myth. How Fire Burns in Space - http://bit.ly/1OqRB5b ... continue reading

posted by Aard Vark (oritteropo) 7 years 10 months 3 weeks ago • 366 views • 4:02

"Goggle up. Science is about to happen!" YouTube: I always thought firing from the center was the best way to do it. Turns out I'm probably wrong.

posted by PlayhousePals 7 years 10 months 3 weeks ago • 896 views • 8:44

I made this bow and arrow using only primitive tools and materials.The bow is 1.25 m (55 inches) long and shoots 60 cm (2 feet) long arrows. I don't know the draw weight - safe to say greater than 15 kg... continue reading

posted by Mordhaus 8 years 1 month 1 week ago • 621 views • 5:54

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) 8 years 2 months 3 weeks ago • 1,003 views • 5:31

YouTube Description: And how it got its name. Subscribe to our channel! http://goo.gl/0bsAjO El Niño is a weather phenomenon that occurs irregularly in the eastern tropical Pacific every... continue reading

posted by Aard Vark (oritteropo) 8 years 4 months 3 weeks ago • 1,145 views • 2:59