Smarter Every Day: The magnetic worm mystery. (YouTube, 8:27min)
Destin from Smarter Every Day discovers magnetic worms and why they are magnetic.
Category Archives: Fun
“The illusion that a person can only sometimes unsee”
Veritasium: The Illusion Only Some People Can See. (YouTube, 17min)
“Ames window illusion illustrates how we don’t directly perceive external reality.”
Nerdy Christmas Lights
Matt Parker (Stand-up Maths): I wired my tree with 500 LED lights and calculated their 3D coordinates.. (YouTube, 24:37min)
Link and headline stolen from MetaFilter.
My favourite comment:
“I’m surprised that he built a project involving lighting up a plane through a cone-shaped tree and didn’t mention conic sections. Missed opportunity, really.
It was a bit elliptic, so you might have missed it — but, between the hyperbole and the circular references, he did offer a parable about a cone and a plane.”
One Moment of Math
OK Go: The One Moment. (YouTube, 4:12min)
There are two videos that show what went on behind the scene (and before the scene, so-to-speak):
OK Go Sandbox: One Moment of Math (YouTube, 4:33min) and The One Moment” BTS (YouTube, 5:03min).
Bonus link to the first OK Go video I ever saw: This Too Shall Pass – Rube Goldberg Machine.
OK GO: Upside down & Inside Out
I posted about this music video twice before, but the links have since broken. Here’s an update:
OK Go: Upside Down & Inside Out music video (YouTube, 3:21min)
Background material, all YouTube links:
- How we did it (5:39min)
- How Parabolas Work (2:42min)
- The First Flight (3:56min)
- Props (7:14min)
- Last Day (7:54min)
- Thunderdome Reel, all takes of the last scene (4:18min)
- Behind The Scenes (3:25min)
- Gravity is just a habit (19:38min)
Source: OK GO Videos and OK GO YouTube Channel.