Sat, 28 September 2013
Magnets are amazingly strong... but there's a very easy way to destroy them. All you need to know is a little bit about ferromagnetism, paramagnetism, and temperature!
Direct download: How_to_Destroy_a_Magnet__interactive_periodic_table.mp4
Category:general -- posted at: 5:44pm EDT |
Mon, 23 September 2013
Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more. |
Thu, 22 August 2013
There is no centre of the universe! |
Sun, 18 August 2013
Did the Universe have a beginning? |
Thu, 1 August 2013
When the universe expands... do we expand with it? |
Mon, 1 July 2013
Is it in the Arctic Ocean? In Canada? Russia? |
Mon, 3 June 2013
Another awesome thing the Mantis Shrimp does...
Direct download: How_to_Turn_Sound_Into_Light_Sonoluminescence.mp4
Category:general -- posted at: 6:15pm EDT |
Thu, 30 May 2013
A look at what it means for something to be hot or cold. |
Sat, 18 May 2013
Why the Order of Operations is WRONG |
Sun, 5 May 2013
Henry shares a simple rule for solving tricky mathematical problems. |
