YouTube description: You can make a movable hole in soap film with a loop of thread. It's surprising when you first see and it's fun to think about why it behaves the way it does. It's also a useful... continue reading

posted by Aard Vark (oritteropo) 1 month ago • 503 views • 6:03

YouTube description: Using machine-learning and sensory hardware, Alberto Rodriguez, assistant professor of mechanical engineering, and members of MIT's MCube lab have developed a robot that is learning... continue reading

posted by Aard Vark (oritteropo) 2 months 2 weeks ago • 523 views • 1:21

YouTube description: What would it be like if our eyes could see more colors? We may never be able to answer that, but we can build devices that can do the work for us. Over the last three weeks we've... continue reading

posted by Aard Vark (oritteropo) 3 months 2 weeks ago • 377 views • 9:29

YouTube description: I graduated from Advanced Helo Underwater Egress Training at Marine Corps Base Hawaii. When life gets hard THINK CLEARLY, and take small steps towards safety. Please subscribe... continue reading

posted by Aard Vark (oritteropo) 6 months ago • 1,740 views • 11:19

Back in the 1920s, wingwalking claimed lives. Daredevils would move around on the top of a plane's wings, in mid-flight, often without any harness or any safety line. Maybe they'd be able to clip onto... continue reading

posted by Mordhaus 6 months 3 weeks ago • 67 views • 4:09

"We've all seen TV snow. Whether because the TV is detuned, or just because we're trying to tune our Mega Drive into a new channel. But why, on a colour TV is this static still presented in a monochrome... continue reading

posted by ant 10 months 3 weeks ago • 145 views • 7:20

YouTube description: The Galton Board is a 7.5” by 4.5” desktop probability machine. This device brings to life the statistical concept of normal distribution. As you rotate the Galton Board... continue reading

posted by Aard Vark (oritteropo) 11 months 2 weeks ago • 794 views • 3:23

As an American living in Thailand, I sometimes see Buddhist (and other Eastern religion) symbols that are pretty close to being swastikas. In many cases, I think that is done without knowledge of the... continue reading

How to DAD creator Jordan Watson takes a break from explaining how to Dad to explain the difference between Australia and New Zealand. This is part 2, but he should have called it version 2 because it's... continue reading

posted by Aard Vark (oritteropo) 1 year 4 weeks ago • 415 views • 4:26

YouTube description: Featuring Tadashi Tokieda - more Tadashi videos at: http://bit.ly/tadashi_vids Tadashi Tokieda is a Professor of Mathematics at Stanford University (though this was filmed when... continue reading

posted by Aard Vark (oritteropo) 1 year 1 month 2 weeks ago • 274 views • 3:24

A few Scottish friends go snowboarding for the first time and have a bit of trouble with the surface lifts. Eventually invents a new way to go up the ski slope. Source: Scottish Craic facebook page.

posted by b4rringt0n 1 year 2 months 3 weeks ago • 352 views • 2:32

"Nearly half of Americans don’t know that Puerto Ricans are US citizens. But they are, and have been since 1917. Watch why Puerto Rico won't have power for months: http://bit.ly/2DBCPVp Read about... continue reading

posted by ant 1 year 2 months 3 weeks ago • 473 views • 3:56

At this time of year we have to start being extra watchful – our lambs are vulnerable to attack from this silent killer.. Not everyone is going to agree with this thesis – but I’ve been rescuing... continue reading

posted by Mordhaus 1 year 3 months 1 week ago • 1,457 views • 3:32

"... Ever since Macauley Culkin smashed his hands against his face and screamed, audiences have loved the film HOME ALONE. It has become a Christmas classic; played along side other holiday pictures that... continue reading

posted by ant 1 year 4 months 2 weeks ago • 12 views • 14:01

YouTube description: Cliff explains his passion for two Friden EC-132s. Extra discussion and explanation at: https://youtu.be/HwZO4EXMMm0 More Cliff videos: http://bit.ly/Cliff_Videos Calculator... continue reading

posted by Aard Vark (oritteropo) 1 year 4 months 2 weeks ago • 1,017 views • 9:20

At the headquarters of Cloudflare, in San Francisco, there's a wall of lava lamps: the Entropy Wall. They're used to generate random numbers and keep a good bit of the internet secure: here's how.

posted by Mordhaus 1 year 5 months 2 weeks ago • 761 views • 3:59

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 5 months 3 weeks ago • 442 views • 5:46

YouTube description: With Dr Holly Krieger from Murray Edwards College, University of Cambridge. More Numberphile videos with Dr Krieger: http://bit.ly/HollyKrieger Her Twitter: https://twitter.com/hollykrieger ... continue reading

posted by Aard Vark (oritteropo) 1 year 6 months 2 weeks ago • 222 views

I made a brick mold that makes bricks 25 x 12.5 x 7.5 cm from wood. A log was split and mortise and tenon joints were carved using a stone chisel and sharp rocks. The mold was lashed together with cane... continue reading

posted by Mordhaus 1 year 6 months 4 weeks ago • 1,007 views • 10:47