From Youtube, "Neutron stars are one of the most extreme and violent things in the universe. Giant atomic nuclei, only a few kilometers in diameter but as massive as stars. And they owe their existence... continue reading

posted by w1ndex 3 months 1 week ago • 746 views • 8:41

So you want to visit a black hole? Before you do, here's one piece of advice from NASA.

posted by noims 4 months 1 week ago • 107 views • 2:40

The Event Horizon Telescope Collaboration observed the supermassive black holes at the center of M87 and our Milky Way galaxy (SgrA*) finding the dark central shadow in accordance with General Relativity,... continue reading

posted by eric3579 10 months 1 week ago • 310 views • 5:24

YouTube description: You can make a movable hole in soap film with a loop of thread. It's surprising when you first see and it's fun to think about why it behaves the way it does. It's also a useful... continue reading

posted by Aard Vark (oritteropo) 11 months 1 week ago • 506 views • 6:03

YouTube description: The Great Blue Hole is a massive underwater sinkhole off the coast of Belize. In the winter of 2018, a submarine crew from Aquatica Submarines ventured to the bottom of the hole... continue reading

posted by Aard Vark (oritteropo) 11 months 3 weeks ago • 1,604 views • 3:38

"NASA's Curiosity Mars Rover has already descended from Vera Rubin Ridge, a region of Mount Sharp that it has been exploring for more than a year. But before it left, the rover took a 360-degree panorama... continue reading

posted by ant 1 year ago • 7 views • 1:31

YouTube description: Researchers from NVIDIA, led by Guilin Liu, introduced a state-of-the-art deep learning method that can edit images or reconstruct a corrupted image, one that has holes or is missing... continue reading

posted by Aard Vark (oritteropo) 1 year 9 months 4 weeks ago • 904 views • 2:15

YouTube description: Featuring Tadashi Tokieda - more Tadashi videos at: http://bit.ly/tadashi_vids Tadashi Tokieda is a Professor of Mathematics at Stanford University (though this was filmed when... continue reading

posted by Aard Vark (oritteropo) 1 year 11 months 2 weeks ago • 275 views • 3:24

YouTube description: In Göttingen, Germany, there's a four-tonne steel ball that can be raised up a 14-metre tower -- and then dropped in less than two seconds, crashing back to earth. It makes tiny,... continue reading

posted by Aard Vark (oritteropo) 2 years ago • 723 views • 3:34

YT - Primitive Culture Published on Jan 18, 2018 My Video Show about Make the Kind of fish trap in the shape of a basket with a hole at the small end. the wide end is dropped over a school of fish to... continue reading

posted by Buck 2 years 4 weeks ago • 324 views • 10:58

On the morning of July 7, 1944, Captain Ben L. Salomon of the U.S. Army’s 105th Infantry, commissioned as a dentist, single-handedly held off a fierce attack of an overwhelming force of Japanese soldiers... continue reading

posted by Mordhaus 2 years 1 month 2 weeks ago • 41 views • 6:24

Last year LIGO announced the detection of gravitational waves from the merger of two black holes. The science world went a little crazy. Only a few weeks ago a new rumour emerged: that LIGO had, for the... continue reading

posted by Mordhaus 2 years 5 months ago • 148 views • 15:51

For this project you need cardboard, cutting knife, battery, electric motor, small nut and glue. The most important part - to measure needed coins and cut right holes :) This machine is very effective,... continue reading

posted by Mordhaus 2 years 5 months 1 week ago • 213 views • 4:59

YouTube description: Black holes are scary things. But they also might reveal the true nature of the universe to us. (via laughingsquid.com, H/T @eric3579)... continue reading

posted by Aard Vark (oritteropo) 2 years 5 months 3 weeks ago • 399 views • 10:13

It is apparently a very common method to catch catfish and eels that are in the marshy paddies.

posted by Mordhaus 2 years 7 months 2 weeks ago • 265 views • 10:03

This is probably the biggest loophole in German gun law: Because this arrow shooting airgun does not shoot a projetile THROUGH a barrel but OVER a barrel, the BKA (highest German authority on gun assessments)... continue reading

posted by Mordhaus 2 years 8 months 1 week ago • 332 views • 5:31