The multiverse hypothesis or theory holds that a group of multiple universes (possibly infinite universes) comprise everything that exists: The entirety of space, time, matter, energy, information, and... continue reading
posted by BSR 2 years 11 months ago • 143 views • 10:03search results matching tag: pull back
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YouTube description: Hi :) I’m a student in Network & Systems Engineering (Robots, networks and programming and stuff) and I built a dinosaur in my spare time. I got the idea in my head, thought... continue reading
posted by Aard Vark (oritteropo) 4 years 7 months 1 week ago • 1,278 views • 2:37YouTube description: He was inside Jabba the Hut in “Return of the Jedi,” helped make “The Muppets” come alive and has been pulling the strings on Yoda since he was 19 years old. Meet Dave Barclay,... continue reading
posted by Aard Vark (oritteropo) 5 years 11 months 2 weeks ago • 285 views • 3:12During the evacuation of Gallipoli by the Allies, which started in December 1915, an ingenious invention was constructed on the battlefield by ANZAC forces to deceive the ottoman enemy into thinking a... continue reading
posted by Mordhaus 6 years 3 months 3 weeks ago • 102 views • 2:08YouTube: I came across these four physics puzzles over the years in discussions with Neil deGrasse Tyson (riddle 4: which part(s) of a moving train are going backwards with respect to the ground?), Simon... continue reading
posted by PlayhousePals 7 years 1 week ago • 1,232 views • 4:24YouTube description: Conceived in the open sea, tiny spaceship-shaped sea urchin larvae search the vast ocean to find a home. After this incredible odyssey, they undergo one of the most remarkable transformations... continue reading
posted by Aard Vark (oritteropo) 7 years 8 months ago • 658 views • 3:23I invented the Bow Blower, a combination of the bow drill and forge blower to make a device that can force air into a fire while being easy to construct from commonly occurring natural materials using... continue reading
posted by Mordhaus 7 years 9 months ago • 1,388 views • 4:32I made this bow and arrow using only primitive tools and materials.The bow is 1.25 m (55 inches) long and shoots 60 cm (2 feet) long arrows. I don't know the draw weight - safe to say greater than 15 kg... continue reading
posted by Mordhaus 8 years 3 weeks ago • 621 views • 5:54This clip from the BBC’s Edwardian Farm documentary series shows how rope was made back before industrial factories spun threads together. It involved pulling and suspending fibers across long distances... continue reading
posted by Kulpims T'dna (kulpims) 1 decade 1 year 1 month 3 weeks ago • 1,236 views • 2:50- 1