YouTube description: To quote from clickbait 'The answer might surprise you' - lots of references still say the mighty F-1 engine used on the Saturn V is the post powerful rocket motor ever, but, there... continue reading
posted by Aard Vark (oritteropo) 6 years 1 month ago • 805 views • 7:42Videos (166) | Sift Talk (0) | Blogs (0) | Comments (814) |
YouTube description: What happens when you fire a Civil War mortar at a caravan? We invited YouTuber Tom Scott to find out. The mortar used is a replica of Roaring Meg, which destroyed large parts... continue reading
posted by Aard Vark (oritteropo) 6 years 1 month 1 week ago • 545 views • 7:11YouTube description: In the last 20 years it's been surprisingly common for space probes to end missions early because reaction wheels have failed, moreover there's been a large number of failures associated... continue reading
posted by Aard Vark (oritteropo) 6 years 1 month 1 week ago • 566 views • 7:10n Porthcurno, Cornwall, there's an old telegraph cable landing station. It's how Britain talked to the Empire -- and it's now a museum. But the technology here isn't quite as obsolete as you might think.
posted by nanrod 6 years 1 month 1 week ago • 329 views • 3:57The White Horse, in Uffington, is one of the oldest surviving works of art in Britain: carved into a hillside in Oxfordshire 3,000 years ago. Every year, it's rechalked by volunteers co-ordinated through... continue reading
posted by nanrod 6 years 1 month 2 weeks ago • 624 views • 2:50YouTube description: At Reed College in Portland, Oregon, there's a TRIGA nuclear reactor, used for research. You can stand next to it and watch the blue glow from the bottom of a deep swimming pool.... continue reading
posted by Aard Vark (oritteropo) 6 years 1 month 4 weeks ago • 460 views • 4:33YT: 90s VHS video filters are in fashion right now, and most producers are using the same filter as everyone else. Why does the filter look like it does? To answer that question, I went to talk to the... continue reading
posted by Fantomas 6 years 2 months 1 week ago • 434 views • 3:48In the far north of Canada sit the DEW Line stations: "Distant Early Warning". Built in the 1950s, these were the sites that would have sounded the alarm if the Soviet Union ever attacked North America.... continue reading
posted by Mordhaus 6 years 2 months 3 weeks ago • 22 views • 2:59YouTube description: Giant Mine sits near Yellowknife, in the Northwest Territories of Canada. Once it was a productive gold mine, but after the gold ran out, the mining company went bankrupt and left... continue reading
posted by Aard Vark (oritteropo) 6 years 3 months 1 week ago • 470 views • 4:34If you're in Canada, you need good winter boots. But how do you know whether they're actually safe, or whether you'll fall over the first time you step on ice? This is WinterLab, part of the Challenging... continue reading
posted by Mordhaus 6 years 3 months 2 weeks ago • 36 viewsYouTube description: Amazing high resolution photos of the Earth should show that the earth is oblate, but it's hard to see because the difference is about 0.3%. So here's a quick demo highlighting the difference. ... continue reading
posted by Aard Vark (oritteropo) 6 years 3 months 3 weeks ago • 624 views • 1:43Rue Canusa (or Canusa Avenue) is a street that's split in two by a border: the northern part is in Stanstead, Canada, and the southern part is in Derby Line, USA — and border crossings here aren't as... continue reading
posted by Mordhaus 6 years 4 months ago • 1,385 views • 2:55In Quebec, Canada, there's a town called Asbestos. It's an alarming name, one that conjures up images of lung disease and mesothelioma. So now that the town's asbestos mine, once the largest asbestos mine... continue reading
posted by Mordhaus 6 years 4 months ago • 46 views • 4:30YT: As far as I can find, no-one has actually made a International Standard Cup of Tea - ISO 3103 or BS 6008 - for the internet before. Lots of people have talked about it, but that's easy. Making one?... continue reading
posted by Fantomas 6 years 5 months 3 weeks ago • 429 views • 3:34US Car Number 1, the Ferdinand Magellan, sits in the Gold Coast Railway Museum in Miami. It's 120 tonnes of bulletproof, armoured railcar: a train carriage designed to move the President of the United... continue reading
posted by b4rringt0n 6 years 5 months 4 weeks ago • 398 views • 4:59YouTube description: Vanguard 1 was the 4th satellite launched, after being beaten by Sputnik 1, 2 and Explorer 1, it also suffered from multiple high profile launch failures. However, 60 years on it's... continue reading
posted by Aard Vark (oritteropo) 6 years 6 months 2 weeks ago • 410 views • 6:41Youtube: Many people sent me this story: it covers my favourite topics of power grids and temporal anomalies. But when the mainstream press have already covered it, how could I add something more? The... continue reading
posted by nanrod 6 years 6 months 2 weeks ago • 493 views • 4:12