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 1 week ago • 260 views • 18:02

One home went undamaged when all the homes around it were badly damaged or completely washed away. Similar look to the last house standing in Mexico Beach after Hurricane Michael. It clearly has high end... continue reading

posted by newtboy 1 year 7 months 1 week ago • 419 views • 1:19

How do you rebuild one of the biggest spillways in the world after a catastrophic failure with the next flood season right around the corner? This video covers the engineering and construction required... continue reading

posted by eric3579 2 years 4 months 2 weeks ago • 280 views • 20:38

In this video we show you the new kind of artificial muscles that don't explode after puncture but just bleed without a visible decrease of performance. We also present our robotic arm. Since the last... continue reading

posted by newtboy 2 years 6 months 3 weeks ago • 155 views • 1:47

YouTube description: A recent study has concluded that people all over the world are probably ingesting microscopic plastic all the time. Now scientists want to know where this plastic is coming from,... continue reading

posted by Aard Vark (oritteropo) 5 years 2 months 3 weeks ago • 351 views • 5:06

YouTube description: As a little girl, Basma Hameed suffered a painful accident that left half of her face obscured by third-degree burns. She endured hundreds of surgeries and laser treatments to repair... continue reading

posted by Aard Vark (oritteropo) 5 years 3 months 1 week ago • 477 views • 3:32

YouTube description: Comparing modern concrete to that of the western Roman empire. In this video, I discuss a few modern techniques that help improve design life of concrete, including roller compacted... continue reading

posted by Aard Vark (oritteropo) 5 years 6 months 1 week ago • 495 views • 9:34

Computer-generated videos are getting more realistic and even harder to detect thanks to deep learning and artificial intelligence. As WSJ’s Jason Bellini finds in this episode of Moving Upstream, these... continue reading

posted by bobknight33 5 years 6 months 2 weeks ago • 33 views

From youtube: UV at ground level is non-ionizing but it damages DNA and causes photoaging - how? Also, it turns out glass doesn't block all UV (specifically UVA passes through). This is something I learned... continue reading

posted by nanrod 5 years 8 months 1 week ago • 383 views • 4:46

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) 5 years 8 months 3 weeks ago • 545 views • 7:11

YouTube 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) 5 years 8 months 3 weeks ago • 565 views • 7:10

Hydraulic transients (also known as water hammer) can seem innocuous in a residential setting, but these spikes in pressure can cause major damage to large pipelines and industrial pipe networks. In this... continue reading

posted by Mordhaus 6 years 5 months ago • 1,829 views • 7:40

Australia's Great Barrier Reef is the largest coral reef system in the world and the only living structure visible from space. Although ecosystem managers in Australia have worked hard to preserve the... continue reading

posted by Mordhaus 6 years 11 months 3 weeks ago • 541 views • 8:11

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

I never thought of sand as a non-renewable resource, but there's only a limited supply: and to make things worse, it keeps getting washed into the sea. At Cape May, New Jersey, the US Army Corps of Engineers... continue reading

posted by Mordhaus 7 years 2 months 3 weeks ago • 1,756 views • 3:22

In the event of a nuclear war, on top of all the damage from the bombs themselves, our world may enter what’s known as a nuclear winter. Could we survive it?

posted by Mordhaus 7 years 6 months ago • 416 views • 3:33

Terry Whin-Yates from Mr. Locksmith demonstrated how easy it is to open a Sentry Electronic Safe is less than 5 seconds with no damage or "Signs of Entry" for the Kitsilano Business Leaders Meetup. ... continue reading

posted by newtboy 8 years 3 months ago • 3,116 views • 5:48

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 8 years 3 months 2 weeks ago • 1,844 views • 16:57

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