Lasers are one of the coolest things that you can build yourself from a pure sci-fi fantasy standpoint. They're not easy though, but this video will help you somewhat by describing different types of laser diodes and how to connect them to a power supply.
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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Amazingly Complex, Yet Simple LEGO Contraptions in Rube Goldberg Fashion
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Light a light bulb with a potato battery
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DIY Stick Welder from Old Microwave Parts
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10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
Wire a solar cell into an electrical circuit
How To:
Make an electrical lighter
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Make an Infrared Mask to Hide Your Face from Cameras
News:
Infrared LEDs Protect Your License Plate Number from Police Cams
How To:
Hack Christmas Lights for Custom Holiday Lighting Patterns
How To:
Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
How To:
Make a Super Cheap One-Way Check Valve
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
How To:
Make a Secret Car Compartment
News:
Amazingly Complex, Yet Simple LEGO Contraptions in Rube Goldberg Fashion
How To:
Scratch-proof the top layer of an audio CD
How To:
Hack a Vending Machine in 3 Easy Steps
How To:
Make a simple laser communicator
How To:
Open a power supply without destroying a transformer
How To:
Debunk the popcorn with a cellphone hack
How To:
Light a light bulb with a potato battery
How To:
DIY Stick Welder from Old Microwave Parts
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