When a theory makes a prediction that disagrees with an experimental test, sometimes it means we should throw the theory away. But what if that theory has otherwise produced the most successful predictions... continue reading

posted by newtboy 17 hours 44 minutes ago • 89 views • 12:36

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

posted by ant 22 hours 11 minutes ago • 9 views • 20:32

"Get into the spooky spirit with some of our favorite Count von Count moments, from classics like Batty Bat to new Halloween hits like The Cookie Monster Nosh, in this Best of The Count Compilation! ..."

posted by ant 3 days 4 hours 4 minutes ago • 3 views • 42:40

In this video, I teach my favorite dog tip, the Mexican Halti.

posted by BSR 4 days 6 hours 19 minutes ago • 8 views • 8:27

In this video we show you the new kind of artificial muscles that don't explode after puncture but just bleed without a visible decrease of performance. We also present our robotic arm. Since the last... continue reading

posted by newtboy 5 days 6 hours 59 minutes ago • 144 views • 1:47

From Youtube, "The Brünnlisau shooting range in Switzerland has its targets on the other side of a major road. And it's safe. Here's how and why. Thanks to everyone at the Schiessanlage Brünnlisau!"

posted by w1ndex 1 week ago • 305 views • 5:19

Jupiter's second Galilean Moon, Europa

posted by newtboy 1 week 3 days ago • 110 views • 13:24

You’re alive right now… at least I’m pretty sure you are. But you’re not TOTALLY alive. Bits of you are always breaking down, being thrown out, and being replaced. Even right now, parts of you... continue reading

posted by BSR 1 week 3 days ago • 79 views • 13:12

Dr. Matthew Walker and Dr. Andrew Huberman discuss how marijuana affects sleep. Dr. Matthew Walker is a professor of neuroscience and psychology at the University of California, Berkeley and is the... continue reading

posted by eric3579 1 week 4 days ago • 9 views • 9:40

CHAPTERS 0:00 Intro 2:12 Smarter Alloys Tech 7:04 Testing One Nitinol Claw 9:10 Building Self-Healing Claws! 11:21 Testing testing! 14:19 Self Healing Before Your Eyes 14:36 Outro

posted by newtboy 1 week 5 days ago • 8 views • 14:58

Metals have a crystal structure. But they're not one big crystal, they're lots of small crystals called grains. The size of the grains affects the physical properties of the metal, like hardness, toughness,... continue reading

posted by newtboy 1 week 6 days ago • 130 views • 8:45

Axolotls are one of science’s most studied animals. Why, you ask? These extraordinary salamanders are masters of regeneration: they can flawlessly regenerate body parts ranging from amputated limbs and... continue reading

posted by newtboy 2 weeks 1 day ago • 111 views • 5:22

True facts about the mosquito...

posted by w1ndex 2 weeks 2 days ago • 269 views • 17:11

Assembling a 3D printed tourbillon clock 0:00 Preparation 1:50 Part 1: Bottom Base 5:40 Part 2: Upper Base 7:30 Part 3: Retrograde Mechanism 8:47 Part 4: Full Base 9:13 Part 5: Tri-Axial Tourbillon ... continue reading

posted by newtboy 2 weeks 5 days ago • 123 views • 18:28

Throughout the month of October, Saildrone performed a 30-day proof-of-concept demonstration for the United States Coast Guard to show how uncrewed surface vehicles (USVs) could be used to provide persistent... continue reading

posted by newtboy 2 weeks 6 days ago • 310 views • 3:07

Destin from Smarter Every Day looks into how the James Webb Space Telescope works.

posted by w1ndex 3 weeks 3 days ago • 173 views • 29:46

Tom Scott's illegitimate son goes to Boston to look into the engineering obstacles behind an intercontinental tunnel.

posted by w1ndex 4 weeks ago • 115 views • 10:04

From Youtube, "Wren uses CGI to show you how many solar panels it would take to power the world!"

posted by w1ndex 4 weeks 1 day ago • 135 views • 21:18