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One Hour Atlatl
DIY Arduino Motor Shield (L298N 2x4A)
Arduino Vocal Effects Box
How to make a Chladni plate (vibrating membrane)
3D-Printed Circuit Boards, for solder-free printable electronics
How to Read Manga On Your Kindle
Arduino Timer Interrupts
Cheapest Wire-Wrapping Tool
100% Warp-Free MakerBot 3D Printing
DIY Bend Sensor (Using only Conductive Bags and Masking Tape)
Design & Print Wind Turbine Blades.
*Updated* 3D scan your head and use it as a chess piece.
Turn your Arduino into a 4 voice wavetable synth with only a few components...
Cheap 2-Way Bluetooth Connection Between Arduino and PC
How to convert (almost) any 27 or 49 MHz RC Car into a Robotic car
SOCBOT - The Next Generation Vibrobot
Twitter Mention Mood Light
Hack a $4 LED flashlight into a scuba diving light with a laxative!
Make your own springs in seconds
Simple Robotics Breadboard
Paper Stomp Rockets
Make a Cloud Chamber using Peltier Coolers
Make a PVC microphone shockmount for $1.20
How to make a ball bearing rollercoaster
DIY Lightning Wand -- A Handheld Van de Graaff Generator
Tic Tac Tunes - Now with Tic Tac Beat Box
Wallbots: Autonomous Magnetic Robots that Traverse Vertical Surfaces
Sponge + Ferric Chloride Method -- Etch PCBs in One Minute!
The Arduino Mothbot
Simple Metalworking Techniques and Making a Steel Butterfly
Flame Coloring and Making a Steel Flower
Lightsaber for $33 in 33 minutes
Micro LASER Show with a CD Lens Mechanism
Walkalong Glider Made from Phone Book Paper
Indoor Paper Airplane Walkalong Glider
Master a perfect inline wire splice everytime
Simple Algae Home CO2 Scrubber - Part II Algae Cultures and Breeding
Things to do with a old computer
Ikea Built My Cat Scratcher
Arduino ProtoShield from "Household" Items (<5$)
Nandhopper 1-Bit Noise Synth
Give your loved one a real "fallen star".
Ard-e: The robot with an Arduino as a brain
DIY Force Sensitive Resistor (FSR)
Hack a flash camera into a emergency strobe light
Iron Man Helmet
How to make an Iron Man Arc Reactor
Giant Fresnel Lens Deathray: An Experiment in Optics
Stop using Ferric Chloride etchant! (A better etching solution.)
The Rubens' Tube: Soundwaves in Fire!
Wire Loop Game
Super Nightvision Headset Hack!
Laser cutter, start slicing stuff for under 50 dollars
Crazy! One of the best of paper toy. No glue.
Awesome paper toy
How to make a prank musical caps-lock keyboard
HOW TO: Send Audio/Your Voice Over a Beam of Light
Hot-Wire Foamcutter (Battery Powered)
HDR photos with the GIMP
Music Driven Laser Pointer Lightshow
Make your own Embossed Business Cards using Acid Etching
Instant Thumb Piano: How to make a set screw lamellaphone
Creative Discontent part 3 : Squalk (Squirt Chalk)
Desktop trebuchet from bicycle frame
Launch It: Torsion Spring Catapult
RGB Color Controllable High Power LED Room + Spot Lighting
Power LED's - simplest light with constant-current circuit
5V breadboard mini PSU