Sam Harris speaks with Matt Ridley and Alina Chan about the origins of the COVID pandemic. They discuss the evidence of a lab leak from the Wuhan Institute of Virology, media and academic censorship of... continue reading

posted by eric3579 1 year 12 months ago • 275 views • 58:27

In 2003, one of the most severe power outages in history affected the northeastern US and parts of eastern Canada. This video summarizes the events leading up to and during the blackout.

posted by eric3579 3 years 1 week ago • 54 views • 20:39

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 3 years 2 months ago • 287 views • 20:38

The Millennium Tower at 301 Mission Street in San Francisco is famously tilting and sinking into the ground. How does geology affect the design of skyscraper foundations, and what is being done to fix... continue reading

posted by eric3579 3 years 3 months 1 week ago • 99 views • 13:32

February 2017 saw one of the most serious dam-related engineering incidents in history with the failure of the service spillway at Oroville Dam. Whether they realized it or not, the people living and working... continue reading

posted by eric3579 3 years 9 months 1 week ago • 465 views • 18:27

When disaster strikes, the flurry of political positioning and fingerpointing can make it difficult to understand what really happened. This video provides a summary of the facts of the 2021 Texas winter storm. ... continue reading

posted by eric3579 3 years 11 months ago • 167 views • 16:48

YouTube description: People use boats for all kinds of reasons, and in the same way, there are all kinds, shapes, sizes, and ages of locks used for waterway navigation across the world. Freight is big... continue reading

posted by Aard Vark (oritteropo) 4 years 10 months 2 weeks ago • 248 views • 10:37

From Youtube, "A brief overview of this ingenious method of compressing air using only the power of water. The way a trompe harnesses the power of water to generate compressed air with no moving parts... continue reading

posted by w1ndex 5 years 1 month ago • 1,220 views • 8:50

YouTube description: Continuing the series on the power grid by diving deeper into the engineering of large-scale electricity generation.

posted by Aard Vark (oritteropo) 5 years 7 months ago • 579 views • 9:59

YouTube description: We normally build a dam to hold water back and store it for use in water supply, irrigation, hydropower, or flood control. But sometimes we have to let some water go. Whether we... continue reading

posted by Aard Vark (oritteropo) 5 years 9 months ago • 1,036 views • 8:15

YouTube description: A quick overview of how we build underwater structures.

posted by Aard Vark (oritteropo) 5 years 10 months ago • 427 views • 8:18

YouTube description: Dams serve a wide variety of purposes from hydropower to flood control to storage of water for municipal and industrials uses. But when a dam’s useful purpose fades away, the... continue reading

posted by Aard Vark (oritteropo) 5 years 11 months ago • 1,291 views • 8:40

YouTube description: Engineers need to be able to predict how water will behave in order to design structures that manage or control it. And fluids don’t always behave the way you’d expect. On this... continue reading

posted by Aard Vark (oritteropo) 6 years 3 weeks ago • 752 views • 8:43

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) 6 years 3 months 3 weeks ago • 495 views • 9:34

YouTube description: While steel reinforcement solves one of concrete’s greatest limitations, it creates an entirely new problem: Corrosion of embedded steel rebar is the most common form of concrete... continue reading

posted by Aard Vark (oritteropo) 6 years 5 months ago • 251 views • 7:49

YouTube description: Wind can be one of the most critical and complicated loads on civil structures. The case of the Tacoma Narrows bridge is a well-known cautionary tale that’s discussed in engineering... continue reading

posted by Aard Vark (oritteropo) 6 years 5 months 3 weeks ago • 707 views • 8:48

YouTube description: Ferrofluid is a bizarre, NASA-engineered material that was created for spaceships but never used. In this “lab practical” video, we’ll put ferrofluid through its paces, and... continue reading

posted by Aard Vark (oritteropo) 6 years 8 months 2 weeks ago • 674 views • 4:26