See how to power an LED with a lemon battery.
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Build a high-powered air cannon that shoots rolled up T-shirts
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Build a mini hovercraft with household items
How To:
Hack an Old LCD Monitor into a Secret Computer Screen That Only You Can See
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
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Infrared LEDs Protect Your License Plate Number from Police Cams
How To:
Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
How To:
Build a low cost portable hamstick antenna
How To:
10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
DIY Stick Welder from Old Microwave Parts
How To:
Eavesdrop from a Distance with This DIY Parabolic "Spy" Microphone
How To:
Hack Software & Run a Trial Program Forever
How To:
Build a laser microphone
How To:
Hack into live, public security cameras and web cams
How To:
Turn a flashlight into a laser
How To:
Hack RFID enabled credit card & steal money for cheap
How To:
Hack a WiFi USB Adapter for Better Reception
How To:
Build Your Own Kinect-Like 3D Tracking Interface with Cardboard, Foil, and Arduino
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Mod a digital converter box into a battery powered one
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