Video showing how a battery-magnet-wire motor creates a rotating electro magnetic field. Watch the hanging bar magnet react to the rotations. You need a battery, magnet & copper wire.
Just updated your iPhone? You'll find new Apple Intelligence capabilities, sudoku puzzles, Camera Control enhancements, volume control limits, layered Voice Memo recordings, and other useful features. Find out what's new and changed on your iPhone with the iOS 18.2 update.
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Light a light bulb with a potato battery
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Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
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Make an immersion heater while in prison
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Infrared LEDs Protect Your License Plate Number from Police Cams
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Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
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Turn an Automatic Air Freshener Dispenser into a Silly String Launcher
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Scare Yourself Out of Bed with This Explosive TNT Alarm Clock
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Easy! Cell Phone Camera Macro Mod (5X Zoom)
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Hack a Pair of Cheap Active Shutter 3D Specs into Light-Detecting, Auto-Tinting Sunglasses
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Make a DIY hologram illusion with a monitor
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Increase the range of a remote control
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Trade in Your Grill for Japanese LED Teeth
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Add Inductive Charging Capabilities to a Samsung Galaxy Nexus, Note 2, and Other Android Devices
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Cut and Sand Your Micro-SIM into a Nano-SIM Card for Your New iPhone 5
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Use the rattlesnake knot, square braid and other paracord braiding techniques
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Build a simple Van de Graaff generator
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Build Your Own Internet Radio Player, AKA Pandora's Box
How To:
Light a light bulb with a potato battery
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
How To:
Hack a Sony Handi-Cam to be able to film in infrared
How To:
Make an immersion heater while in prison
News:
Infrared LEDs Protect Your License Plate Number from Police Cams
How To:
Turn an Automatic Air Freshener Dispenser into a Silly String Launcher
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
How To:
Scare Yourself Out of Bed with This Explosive TNT Alarm Clock
News:
Easy! Cell Phone Camera Macro Mod (5X Zoom)
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How to Make a $25 Touchscreen
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Build Your Own Internet Radio Player, AKA Pandora's Box
How To:
Add Inductive Charging Capabilities to a Samsung Galaxy Nexus, Note 2, and Other Android Devices
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Build a Solar-Powered Mini-Synthesizer Wristwatch
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Hack a Pair of Cheap Active Shutter 3D Specs into Light-Detecting, Auto-Tinting Sunglasses
How To:
Cut and Sand Your Micro-SIM into a Nano-SIM Card for Your New iPhone 5
How To:
Increase the range of a remote control
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Use an operational amplifier to amplify voltage and build a microphone circuit
How To:
Use the rattlesnake knot, square braid and other paracord braiding techniques
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