Look around you. Where are you? Where is this place you are occupying? Somewhere in a room, maybe in a city on a continent on a planet orbiting a star in a galaxy among billions. But… where is all of... continue reading

posted by eric3579 1 month 2 weeks ago • 219 views • 9:55

"The answer may surprise you..." From https://www.dslreports.com/forum/r33237492-Holey-Plugs-Batman-But-what-are-they-for.

posted by ant 8 months 1 week ago • 22 views • 20:32

This is a bit of a mind-bender, but entirely worth the watch if you're at all interested in mathematics or computer science. Possibly even if you're not, but I'm uncertain. I had previously learned... continue reading

posted by moonsammy 1 year 1 month 1 week ago • 631 views

From Youtube, "Black holes are the most powerful and extreme things in the universe and they are wildly weird and complicated. What would happen if you fell inside one and what are they really?"

posted by w1ndex 1 year 2 months ago • 235 views • 12:15

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 2 years 7 months 3 weeks ago • 761 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 2 years 8 months 4 weeks ago • 110 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 3 years 2 months 3 weeks ago • 331 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) 3 years 3 months 2 weeks ago • 510 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) 3 years 4 months ago • 1,679 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 3 years 4 months 2 weeks ago • 10 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) 4 years 2 months 1 week ago • 906 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) 4 years 3 months 4 weeks ago • 278 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) 4 years 4 months 2 weeks ago • 724 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 4 years 5 months 2 weeks ago • 331 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 4 years 6 months ago • 44 views • 6:24