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Roman Legionaire "ish" Homemade Body Armor
RvB Simmons Halo Armor
Flex Sensor Glove
Segmented Thigh Armor (in Style of Cloud Strife in Kingdom Hearts)
Coilgun Without Massive Capacitors
Recycle Laptop Batteries - 12V Power Wall/Box!
Batteryless Bicycle Safety Light
DIY Induction Heater
Camera Capacitor Coil Gun
Arduino powered digital pulse meter
How to make a coilgun.
Make Emergency Homemade Spare Key With TicTac Bottle Or Credit Card In 2 minutes
How to cut a rope with itself
Making arrow heads from old keys