An EMF detector will help you find invisible electromagnetic fields, and you can make an inexpensive one for under ten dollars. This will only detect the presence of a field, you will need other tools to be able to measure its strength.
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Crack Wi-Fi Passwords—For Beginners!
How To:
Hack a Vending Machine in 3 Easy Steps
How To:
Hack your electricity meter
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Hack a coin operated laundry machine
How To:
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How To:
Hack a satellite dish into a WiFi signal booster
How To:
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How To:
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Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
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How To:
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How To:
Build a blue laser ray gun that will burn things magnificently
How To:
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How To:
Trigger traffic lights to change from red to green
How To:
Make a parabolic WiFi booster with aluminum foil
How To:
Charge your small electronics with a solar powered charger
How To:
Make a sneaky, snake spy camera that records video
How To:
Do Fun Things in Notepad, Notepad++, and .Bat Files
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