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 11 months 3 weeks ago • 420 views • 11:27

We love wood here at The Slingshot Channel. It is our most important raw material by a great margin. When we found this 20" piece of European Dogwood (Cornus Sanguinea) while cleaning up the shed, we immediately... continue reading

posted by Mordhaus 7 years 11 months 3 weeks ago • 204 views • 13:07

After trying to blow up a watermelon with a smaller capacitor, my friend coyt brought over 4 capacitors rated at 20kv and 25uf each. They came from a lab that used to them to simulate the effects of lightning... continue reading

posted by Mordhaus 8 years ago • 400 views • 6:09

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 8 years 2 weeks ago • 100 views • 6:27

In this video we show Safety Matches lit with Sulfuric acid. Concentrated sulfuric acid found in drain cleaner may be used. What's happening is the sulfuric acid reacts with potassium chlorate to produce... 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 8 years 7 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 8 years 8 months 1 week ago • 568 views • 4:17

YouTube description: Dirt is probably the cheapest and simplest construction material out there, but it's not very strong compared to other choices. Luckily geotechnical engineers have developed a way... continue reading

posted by Aard Vark (oritteropo) 8 years 9 months 4 weeks ago • 930 views • 7:53

I made a rough type of textile from bark fibre. This is the same tree I use for making cordage though I don’t know its name. It has been raining a lot here lately (the video also shows how well the hut... continue reading

posted by Mordhaus 8 years 10 months 2 weeks ago • 640 views • 4:48

The materials collection, at the Harvard Art Museums in Cambridge, MA, houses thousands of pigments, including some of the world’s rarest. Dragon's blood, mummy, Indian yellow: these are but a few flashy... continue reading

posted by blacklotus90 8 years 11 months ago • 642 views • 2:35

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 11 months 2 weeks ago • 622 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) 9 years 3 weeks ago • 1,004 views • 5:31

YouTube Description: What has the highest melting point known to us? Hank Green explains in this episode of SciShow. This episode is brought to you by Audible. Go to Audible.com/SciShow for a free 30-day trail. ... continue reading

posted by Aard Vark (oritteropo) 9 years 1 month 2 weeks ago • 524 views • 5:26

The fascinating video above tells the story of MIT Professor Ioannis Yannas, who was recently inducted into the National Inventor’s Hall of Fame alongside such luminaries as the Wright brothers and Steve... continue reading

posted by enoch 9 years 1 month 2 weeks ago • 1,845 views • 16:57

YT-I built this tiled roof hut in the bush using only primitive tools and materials. The tools I used have been made in my previous videos. It should be pointed out that I do not live in the wild and that... continue reading

posted by newtboy 9 years 6 months 1 week ago • 1,711 views • 14:09

Abstract: Hydrographic printing is a well-known technique in industry for transferring color inks on a thin film to the surface of a manufactured 3D object. It enables high-quality coloring of object... continue reading

posted by newtboy 9 years 10 months 1 week ago • 883 views • 4:55

I'm surprised how well the tennis ball does.

posted by nock 1 decade 2 months 1 week ago • 908 views • 2:10

As a psychologist and avid meditator (vipassana) for the past 7 years, myself, I'm excited to begin teaching a university course this semester which examines states of consciousness that transcend the... continue reading

posted by Trancecoach 1 decade 6 months ago • 744 views • 3:44

YT: If you haven't heard of it before, you have now. And it may prove to be the next big thing in materials science. SciShow explains what it is, why it's so awesome, and what challenges we face in harnessing... continue reading

posted by PlayhousePals 1 decade 8 months ago • 140 views • 4:49