YouTube description: Even though you can see purple, there's no purple light. This also explains why we can use a colour wheel when the electromagnetic spectrum is linear. (H/T @eric3579)... continue reading

posted by Aard Vark (oritteropo) 1 week 1 day ago • 725 views • 4:52

Sir David Attenborough explains how humans can take charge of our future and save our planet. -yt

posted by eric3579 1 week 5 days ago • 389 views • 8:28

I've heard a lot of discussions about Banksy, but this does a really good job of explaining it from all sides as well as giving it thorough philosophical and historical context. Good stuff.

Beau explains why victims of domestic violence don't just leave.

posted by w1ndex 2 months 2 weeks ago • 208 views • 6:41

YouTube description: Hi there! I'm (finally!) back with the first video of 2019 explaining what is Reggaeton, one of the most popular music genre today, now a real global phenomenon that regularly... continue reading

posted by Aard Vark (oritteropo) 2 months 2 weeks ago • 369 views • 2:07

Wernher von Braun explains the possibility to reach the Moon. "Man and the Moon", Dec. 28, 1955

posted by bobknight33 2 months 2 weeks ago • 18 views • 28:17

Eric Bazilian was explaining 4 track recording to a friend, and in the process wrote this song. YouTube description: The story behind the song One Of Us by Joan Osborne, written by Eric Bazilian.... continue reading

posted by Aard Vark (oritteropo) 3 months ago • 209 views • 6:37

YouTube description: "People complain a lot about the space that I take up". Lutenist Elizabeth Kenny explains how and why the theorbo was developed in the 17th century, what it was used for, and... continue reading

posted by Aard Vark (oritteropo) 3 months 1 week ago • 680 views • 9:59

This is amazing. I learned the Fourier series in university and I never understood it like this.

posted by ChaosEngine 4 months ago • 495 views • 8:25

YouTube description: Hi there! I'm (finally!) back with a new video explaining what is swing, a form of popular music developed in the United States that dominated in the 1930s and 1940s. The amazing... continue reading

posted by Aard Vark (oritteropo) 5 months 3 weeks ago • 456 views • 2:01

Former Chief of Disguise for the CIA, Jonna Mendez, explains how disguises are used in the CIA, and what aspects to the deception make for an effective disguise.

posted by Ashenkase 6 months ago • 28 views • 9:25

YouTube description: Less than 2 percent of the ocean floor has been explored by scientists. “Every time we go to the deep sea, we find new species of organisms,” explains geobiologist Victoria... continue reading

posted by Aard Vark (oritteropo) 6 months 2 weeks ago • 125 views • 9:46

"How can you make a video on something you've never done?"

posted by Mekanikal 7 months 4 weeks ago • 96 views • 4:01

In which Cliff Stoll enthusiastically explains the geometry of his 5 sided square. (H/T @eric3579)

posted by Aard Vark (oritteropo) 8 months 1 week ago • 646 views • 9:15

"Skid Row hurt me in ways I can't ever explain. It made me do things and made see things I wish I would have never seen."

posted by Mordhaus 8 months 1 week ago • 180 views • 8:56

YouTube description: We go hands-on with The Looking Glass, the new display from a company that's been experimenting with various forms of volumetric and lightfield imaging in pursuit of real-world... continue reading

posted by Aard Vark (oritteropo) 8 months 3 weeks ago • 631 views • 13:07

Luscombe was an aircraft manufacturer that ceased operation around 1950, this one is a 1946 Luscombe 8A/ O-200. This video explains the annual inspection legally required to keep it airworthy and certified. ... continue reading

posted by Aard Vark (oritteropo) 9 months 2 weeks ago • 615 views • 7:23