To make a Gauss gun, all you need is a piece of metal rail, two magnets and steel ball bearings that fit on the rail. Then rig it up, and you have your own magnet-powered gun that shoots ball bearings!
Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:
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Infrared LEDs Protect Your License Plate Number from Police Cams
How To:
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Recycle an old satellite dish into a WiFi booster
How To:
Make a DTV antenna & a steadicam
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
How To:
Turn Any Wall Portrait into Your Own Personal Scooby Dooish "Eye" Spy Surveillance System
How To:
Build a weatherproof compact high gain WiFi antenna
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Turn Your Android Device into a Customizable Thermostat for Your Home
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
Extract an RFID chip from a card & make it wearable
How To:
DIY Stick Welder from Old Microwave Parts
How To:
Convert Your Old Apple iMac G4 into a Cable-Ready HDTV
How To:
Make a homemade fractal antenna for HD and digital TV reception
How To:
Make a DIY vehicle immobilizer to stop car thieves
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Build a mini hovercraft with household items
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How To:
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