Fleming’s Left Hand Rule / Mr. Denjiro’s Happy Energy! #705
8:20
磁力のパワー/Power of magnetism
3:06
Axe Throwing! / Mr. Denjiro's Happy Energy! #837
3:01
Fire a Coilgun Using Magnets!/ Mr. Denjiro's Happy Energy! #661
8:20
回るとどうなる？/What happens when you turn it?
9:49
Caustic lenses are really weird
9:20
Piezoelectricity - why hitting crystals makes electricity
19:29
How Enigma was cracked
13:06