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. |