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17:22
A Proof That The Square Root of Two Is Irrational
12:57
Dord.
15:54
Lenz's Law
20:51
Showing My Desk to Adam Savage
5:16
How Does Light Pass Through Glass? The Answer Will Surprise You!
15:11
LEARN MORSE CODE from a MEMORY CHAMP (in 15 minutes)
24:32
Divisibility Rules
9:27