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I think that the reason the aluminum can didn't work is that there is a coating put on the inside of the can to stop the drink corroding the can and to keep the can from contaminating the drink. You probably just need to abrade the coating off of the can. Some fine grit sandpaper ought to do.
Under bed storage
IPad glass as 3D printing build platform
Build your own 3d printer filament factory (Filament Extruder)
Frankenstein Laser Engraver
Arduino + 2 Servos + Thumbstick (joystick)
Know Your IC: 555 Timers
Make a Resistor Reference Card
Pocket Sized Camp Stove (The Improved
Learn Morse Code...
5V breadboard mini PSU
Instant Subway Ad Street Art
Guide to field Soldering
DIY Cold Heat soldering iron
Digital camoflage (digicamo)
How to grow flowers on a military base in Iraq
5-minute Chocolate Cake
How to fake a miniature model.
The Near-Perfect Tent: Design and Build a Recycled Tent
Student Food. super filling microwave stir-fry. $2.20 au
Dot Matrix Business Card
IR radar system
SOCBOT - The Next Generation Vibrobot
Building Small Robots: Making One Cubic Inch Micro-Sumo Robots and Smaller
Airplane Covering-With Plastic Wrap!
Make Your Own Biodiesel Processor
How to make a RAILGUN!
Yet More Handy Tricks: Volume 5
How to Fill an Office with Packing Peanuts
Make Shingles and Siding Out of Aluminum Cans (Beer Can Roof)
The Smallest USB LED
Pocket Graffiti Pen
Build a 500 metre radio data link for under $40.
A pocket full of knots.
ATX to Lab Bench Power Supply Conversion
Using Swedish FireSteel to ignite tinder
How To Use LED's
Start a fire with air
Build a "Warp", a full-contact combat RC aircraft.
Electric Bottle Garden (LED grow lights Mk 1.5)
Encode data in 2D on your T-shirts, business cards and stickers !
Growing Plants With LED Lights
Pack Flat Plywood Desk
Third Hand++: A multi-use helping hand for electronics and other delicate work.