3 ms·
Luckily, the physics on that one doesn't mandate overly technical fabrication. http://m.wikihow.com/Make-a-Compass http://m.wikihow.com/Make-a-Compass
by ethbro 10y ago
Luckily, the physics on that one doesn't mandate overly technical fabrication.
http://m.wikihow.com/Make-a-Compass http://m.wikihow.com/Make-a-Compass