Red sprites, secondary jets and newly discovered green afterglow called "ghosts" triggered by red sprites. A dozen vibrant red sprites were recorded on this evening and only two events had the green afterglow.... continue reading

posted by newtboy 1 month 4 weeks ago • 877 views • 2:32

From Youtube, "Well... this took longer than expected. I am sorry you had to wait so long for me to finish this video, I had some reading to do, then write the video, record the audio, and then the... continue reading

posted by w1ndex 4 months 3 weeks ago • 15 views • 1:09:23

From Youtube, "Anti-gravity is one of those controversial subjects that some say is more in the realm of science fiction than science fact with many physicists saying it's just not theoretically possible... continue reading

posted by w1ndex 10 months 3 weeks ago • 110 views • 14:25

YouTube description: Something about the Apollo missions always confused me, sure, the step off of the lunar lander’s 91 cm footpad was a small step, but the step just before that was actually enormous! ... continue reading

posted by Aard Vark (oritteropo) 1 year 2 months 1 week ago • 476 views • 14:48

"... I love coffee. Like, a lot. You know who else loves coffee? Astronauts! And also the people who help them do awesome things in space (I think NASA might be powered by coffee). But how do astronauts... continue reading

posted by ant 1 year 4 months 3 weeks ago • 119 views • 11:39

"Elevator. It’s a fascination and a fear for many. Countless action movies and TV shows feature stuck elevators, fights in elevators, and, of course falling elevators. How many times when an elevator... continue reading

posted by ant 1 year 10 months 2 weeks ago • 213 views • 7:36

YouTube description: Fritz Lang directed an extremely innovated film in 1929 called Woman in the Moon. (Frau Im Mond in German). He hired rocket pioneer Hermann Oberth to be his technical director,... continue reading

posted by Aard Vark (oritteropo) 2 years 3 months 2 weeks ago • 336 views • 3:13

Believe it or not, off-roading is actually illegal in Iceland - they'll lock you up. There is an exception, though, in the form of the outrageous Icelandic Formula Offroad Championship. Strapped into home-built... continue reading

posted by newtboy 3 years 1 week ago • 243 views • 7:24

The upsides and downsides. YouTube: Size is the most under appreciated regulators of living things. Let us demonstrate that by throwing animals from buildings.

posted by PlayhousePals 3 years 1 month 2 weeks ago • 569 views • 6:40

This is very much not how I remember it being reported around the time of the repair mission. I'm sure that at the time it was incorrectly reported as being due to the effect of grinding the mirror under... continue reading

posted by Aard Vark (oritteropo) 3 years 1 month 2 weeks ago • 1,186 views • 7:52

The Magnus effect is an amazing phenomena: It can lift rotating objects up into the air, seemingly defeating gravity. Bruce Yeany brought out a cool video showing how to make flyers from paper cups... continue reading

posted by Mordhaus 3 years 5 months 1 week ago • 556 views • 6:40

"If you use bricks as dominoes: you get a second wave going in the opposite direction..." From http://www.cannotunsee.net/post/158664325879/the-brick-double-domino-effect-explained-if-you ...

posted by ant 3 years 6 months ago • 612 views • 3:59

It takes less acceleration to get to other stars than our own sun. Crazy, huh?

posted by Mordhaus 3 years 7 months 2 weeks ago • 1,860 views • 3:13

The Death Star is no moon, but it’s close to the size of one, so does this mean it needs its own gravity?

posted by Mordhaus 3 years 10 months ago • 98 views • 8:45

This is without a doubt the most entertaining A Capella Science song yet. The song assumes you already know about Crispr-Cas9, so it never actually explains that it's a targeted gene editing technique... continue reading

posted by Aard Vark (oritteropo) 3 years 11 months 3 weeks ago • 485 views • 6:07

YouTube: Virtual particles are a way of talking about fields and their interactions as though particles are doing all the work. This is why there is some controversy around using the term 'virtual particles'.... continue reading

posted by PlayhousePals 4 years 2 weeks ago • 22 views • 8:43

Practice! YouTube: If most people got on a skateboard, they would roll forward slowly for a few feet, then fall down and break their wrists. But there are a proud few who can do some pretty amazing... continue reading

posted by PlayhousePals 4 years 3 weeks ago • 10 views • 3:11