This awesome how to explains the construction of a DIY USB-charged flashlight! The coolest part is that there are no batteries! Two super capacitors hold the charge from the USB and release it to the LED light at the touch of a button!
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Turn a Microwave Oven Transformer into a High Amperage Metal Melter!
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My Disposable Camera Taser
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Build Your Own Mini Altoids Guitar Amp for About $5
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Build a Long Range Laser Spy System for Eavesdropping on Your Neighbors
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Make a Lethal Traveling Arc of Electricity with a MOT-Powered Jacob's Ladder
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This Real-Life, Working WALL-E Robot Is Absolutely Perfect (And Built Entirely from Scratch)
DIY Lab Equipment:
Make Your Own Litmus Paper Using Cabbage Juice
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Make "Fight Club" Soap Out of Bacon & Drain Cleaner
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Trigger Anything from Anywhere with Just a Phone Call
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Make Slow Burning Fuses from Yarn, Sugar, & Potassium Nitrate
How To:
Turn a Microwave Oven Transformer into a High Amperage Metal Melter!
How To:
Make a Mini Flamethrower, Exploding Fireball, & Flint Bomb Sparkler with Disposable Lighters
How To:
Create Practically Anything, Part 2: 3D Models in SketchUp
How To:
Create Practically Anything, Part 1: Fritzing Circuit Boards
DIY Polygraph Machine:
Detect Lies with Tin Foil, Wire and Arduino
Contest:
My Disposable Camera Taser
Top 10:
Tips for the Amateur Chemist
How To:
Make a Hydrogen Fireball from Aluminum Foil and Toilet Bowl Cleaner
How To:
Build Your Own Mini Altoids Guitar Amp for About $5
Spice Rack Explosives:
How to Make Gunpowder with Salt & Sugar
How To:
Make a Simple Fog Machine to Prank Your Roommates
How To:
Turn Water into Fuel by Building This DIY Oxyhydrogen Generator
How To:
Build a Long Range Laser Spy System for Eavesdropping on Your Neighbors
How To:
Make a Lethal Traveling Arc of Electricity with a MOT-Powered Jacob's Ladder
News:
This Real-Life, Working WALL-E Robot Is Absolutely Perfect (And Built Entirely from Scratch)
DIY Lab Equipment:
Make Your Own Litmus Paper Using Cabbage Juice
Elementary Sputnik Satellites:
How to Make Trash Bag Hot Air Balloons
How To:
Make "Fight Club" Soap Out of Bacon & Drain Cleaner
How To:
Trigger Anything from Anywhere with Just a Phone Call
How To:
Make Slow Burning Fuses from Yarn, Sugar, & Potassium Nitrate
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