Build an old static electricity capacitor which will shock the electricity of your TV or computer screen. The full discharge of this Leyden jar can be deadly. Make it smaller if you want to try with your kids.
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Light a light bulb with a potato battery
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Make a satellite dish Wi-Fi antenna for free internet
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Build a mini hovercraft with household items
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Get your PSP hooked up to the Internet without needing wifi
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Make a Spot Welder for Cheap!
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Build Your Own Kinect-Like 3D Tracking Interface with Cardboard, Foil, and Arduino
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Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
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DIY Stick Welder from Old Microwave Parts
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Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
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Hack Your Electricity Meter
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Make a Super Cheap One-Way Check Valve
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Extract an RFID chip from a card & make it wearable
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Build a laser microphone
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Build an analog light organ (a colorful sound-to-light circuit)
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Hack a coin operated laundry machine
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Hack Your Mini-Fridge into a Vending Machine to Take Care of Freeloading Friends at Your Next Party
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Recharge non-rechargeable alkaline batteries
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Record conversations secretly
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Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
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Open a power supply without destroying a transformer
How To:
Light a light bulb with a potato battery
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
Build a mini hovercraft with household items
How To:
Get your PSP hooked up to the Internet without needing wifi
How To:
Make a Spot Welder for Cheap!
How To:
Build Your Own Kinect-Like 3D Tracking Interface with Cardboard, Foil, and Arduino
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
How To:
DIY Stick Welder from Old Microwave Parts
How To:
Hack Your Electricity Meter
How To:
Make a Super Cheap One-Way Check Valve
How To:
Extract an RFID chip from a card & make it wearable
How To:
Build an analog light organ (a colorful sound-to-light circuit)
How To:
Build a laser microphone
How To:
Hack Your Mini-Fridge into a Vending Machine to Take Care of Freeloading Friends at Your Next Party
How To:
Hack a coin operated laundry machine
How To:
Record conversations secretly
How To:
Recharge non-rechargeable alkaline batteries
How To:
Use Your "Dead" Car Battery to Power Emergency Fans, Lighting, and More!
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
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