From YouTube, "Our home is burning. Rapid climate change is destabilizing our world. It seems our emissions will not fall quickly enough to avoid runaway warming and we may soon hit tipping points that... continue reading

posted by w1ndex 2 years 11 months 1 week ago • 145 views • 16:11

The Omega 1 is not only much more powerful than existing technology, but it is also much more efficient. The Omega 1’s rotary mechanism is very efficient because it has very little friction and fluid... continue reading

posted by newtboy 3 years 2 weeks ago • 481 views

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 4 years 7 months 1 week ago • 931 views • 7:59

YouTube description: This footage is from inside the kerosene tank in the S-1 first stage of SA-5, the fifth Saturn 1 launch. This mission was the first orbital Saturn launch, and the first flight of... continue reading

posted by Aard Vark (oritteropo) 5 years 7 months 2 weeks ago • 376 views • 1:49

YouTube description: Built from the discarded fuel tanks of WWII fighter planes, "belly tankers" are miniature speed demons and a major part of hot rod culture. For more, check out: https://www.petersen.org/1952-... continue reading

posted by Aard Vark (oritteropo) 5 years 11 months 3 weeks ago • 623 views • 3:48

(H/T @eric3579)

posted by Aard Vark (oritteropo) 6 years 2 weeks ago • 2,009 views • 8:50

Tom tests the level and duration of reverberation in giant WWII underground fuel storage tanks. Best youtube comment..."I'm slightly disappointed that you didn't shout out something like "BOLLOCKS" ".

posted by nanrod 6 years 3 months 3 weeks ago • 747 views • 3:28

Electric cars are touted as a solution for reducing emissions and improving the environmental impacts of transportation, but are electric cars actually any better for the environment than gasoline cars?... continue reading

posted by newtboy 6 years 4 months 1 week ago • 475 views • 13:47

YouTube description: Canned fish has been around for over a century and has been enjoyed around world. Still, no one loves their fish more than Portugal, where old traditions of fishing, canning and... continue reading

posted by Aard Vark (oritteropo) 6 years 5 months 2 weeks ago • 451 views • 3:30

How much fuel does engine idling use? Does idling waste fuel? How much fuel does it take to start a car? Do engine start-stop systems save gas? The truth about engine start stop systems.

posted by bobknight33 6 years 6 months 1 week ago • 618 views • 7:15

YouTube description: Why does the exhaust from the Space shuttle boosters & engines look completely different? There's a huge variety in the appearance of rocket exhausts because different fuels, different... continue reading

posted by Aard Vark (oritteropo) 6 years 6 months 1 week ago • 493 views • 11:26

At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty.... continue reading

posted by Mordhaus 7 years ago • 408 views • 7:08

YouTube description: If you're landing a rocket then waiting to the last minute slamming on the brakes actually saves fuel over slower, more considered approaches to landing.... continue reading

posted by Aard Vark (oritteropo) 7 years 2 weeks ago • 627 views • 8:50

Who else is excited for another season of the world's most popular public slaughter house fueled by human lives? Oh ... just us in America?

posted by Mordhaus 7 years 3 months 2 weeks ago • 532 views • 3:46

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 7 years 4 months 2 weeks ago • 454 views • 5:46

On this episode of How'd They Do That, we take a look at how a top fuel dragster makes all its power and barrels down the 1,000-ft race track.

posted by bobknight33 7 years 4 months 4 weeks ago • 197 views • 13:49

Let's say you're traveling at 17,500 miles per hour (28,000 km/h) in low earth orbit, your main engines are out of fuel, and it's your job to guide the spaceship through a fiery re-entry without burning... continue reading

posted by Ashenkase 7 years 7 months 3 weeks ago • 114 views • 17:49