Veritasium: The Big Misconception About Electricity. (YouTube, 14:47min) “The misconception is that electrons carry potential energy around a complete conducting loop, transferring their energy to the load.”
Author Archives: Andrea
UK’s South West Coast by Tandem
Ed Pratt: I Took My Girlfriend On Her Longest Ride Ever! [Full Film] 1000km Cycling England’s Hilliest Coast. (YouTube, 2:11 hours)
“This film follows our self-supported attempt to cycle 1000km (600 miles) around England’s hilliest coastline – the South West Coast! Join us on our seaside cycle tour and see if we survive pedalling through Somerset, Devon, Cornwall and Dorset on our 65kg touring tandem!”
I posted about this series earlier when the first episode was released. This ist the whole series in one fell swoop.
From cubic equations to the Schrödinger equation
Veritasium: This Problem Broke Math (and led to quantum physics). (YouTube, 23:28min) “A general solution to the cubic equation was long considered impossible, until we gave up the requirement that math reflect reality”. The video description contains uselful links to cubic equations and their solutions.
From Newton Fractals to Mandelbrot sets
… and here’s part two:
3Blue1Brown: How a Mandelbrot set arises from Newton’s work. (YouTube, 27:42min)
Part one was linked a few days ago.
The Hubble Sphere, the Cosmic Event Horizon and the Observable Universe
Physics Girl: These Move Faster than the Speed of Light. (YouTube, 11:52min) “How is it possible for galaxies and objects in space to move away from us faster than the speed of light? Will we ever see those objects?”