Measuring Monster Magnet's Grade...
12:20
Exotic Elements vs. Magnet | Rare Earth Metals | 7/7
14:25
What element is attracted the most to a magnet?
33:03
Why Some Designs Are Impossible to Improve: Quintessence
11:47
Can I measure the grade of a magnet?
22:23
The Most Important Material Ever Made
16:33
The "Impossible Torpedo" was real
17:57
Gearless Magnet Bike
13:38