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 1 month 2 weeks ago • 159 views • 16:48

What about the use of pumped hydro for energy storage?

posted by eric3579 2 months 2 weeks ago • 869 views • 16:53

Watch live Perseverance landing https://youtu.be/gm0b_ijaYMQ

posted by eric3579 2 months 3 weeks ago • 963 views • 19:42

Racing Industry trade show and thought I'd share the 10 best race engines

posted by bobknight33 3 months ago • 4 views • 16:11

An amazingly thorough deep dive into the acoustic engineering, materials science, and construction of a beautiful pair of speakers. "We construct a pair of large Voigt speakers. I explain the principles... continue reading

posted by blacklotus90 6 months 1 week ago • 288 views • 52:56

Learn how solar works and how a long time mystery power loss was finally understood and solved.

posted by eric3579 7 months 2 weeks ago • 1,259 views • 16:54

YouTube description: Delta Technical Operations in Atlanta fixes commercial jets for Delta and 150 customers, including the military and other airlines. The bustling operation runs 24-7, repairing everything... continue reading

posted by Aard Vark (oritteropo) 8 months 1 week ago • 948 views • 8:15

https://www.iter.org/ In southern France, 35 nations* are collaborating to build the world's largest tokamak, a magnetic fusion device that has been designed to prove the feasibility of fusion as a... continue reading

posted by eric3579 9 months 1 week ago • 892 views • 7:59

Kill the anvil!!

posted by bjornenlinda 10 months 1 week ago • 13 views • 6:42

There's been a few stories recently about detonation engines and how they're supposed to be superior to traditional jet or rocket engines. So, what is a detonation engine, what's the difference between... continue reading

posted by newtboy 11 months 4 weeks ago • 21 views • 11:14

NASA's current fleet of spacesuits was built in 1974, and each was reported to cost between $15 million and $22 million. Today, that would be about $150 million. Having not built any new mission-ready... continue reading

posted by bobknight33 1 year ago • 100 views • 10:41

In the debut episode of the Logistics of D-Day we explore the logic and planning that resulted in Normandy being chosen as the location for the largest amphibious invasion in the history of human kind. -yt

posted by eric3579 1 year 1 week ago • 794 views • 14:54

On a hike looking for rare limestone endemic plants in Death Valley, we spotted the wreckage of a plane! After several hours of hiking and many interesting plants, we managed to scramble over to the wreck.... continue reading

posted by eric3579 1 year 1 week ago • 1,770 views • 5:01