Kipkay explains how to make noise canceling headphones. You can make them without spending much money. You need Howard Leight earmuffs and a small pair of headphones, but you start by disassembling the headphones.
Just updated your iPhone? You'll find new emoji, enhanced security, podcast transcripts, Apple Cash virtual numbers, and other useful features. There are even new additions hidden within Safari. Find out what's new and changed on your iPhone with the iOS 17.4 update.
How To:
Light a light bulb with a potato battery
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
Build a mini hovercraft with household items
How To:
Get your PSP hooked up to the Internet without needing wifi
How To:
Make a Spot Welder for Cheap!
How To:
Make a sneaky, snake spy camera that records video
How To:
Build Your Own Kinect-Like 3D Tracking Interface with Cardboard, Foil, and Arduino
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
DIY Stick Welder from Old Microwave Parts
How To:
Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
How To:
Hack Your Electricity Meter
How To:
Make a Super Cheap One-Way Check Valve
How To:
Extract an RFID chip from a card & make it wearable
How To:
Build a laser microphone
How To:
Build an analog light organ (a colorful sound-to-light circuit)
How To:
Hack a coin operated laundry machine
How To:
Hack Your Mini-Fridge into a Vending Machine to Take Care of Freeloading Friends at Your Next Party
How To:
Recharge non-rechargeable alkaline batteries
How To:
Record conversations secretly
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
How To:
Light a light bulb with a potato battery
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
Build a mini hovercraft with household items
How To:
Get your PSP hooked up to the Internet without needing wifi
How To:
Make a Spot Welder for Cheap!
How To:
Build Your Own Kinect-Like 3D Tracking Interface with Cardboard, Foil, and Arduino
How To:
Make a sneaky, snake spy camera that records video
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
How To:
DIY Stick Welder from Old Microwave Parts
How To:
Hack Your Electricity Meter
How To:
Make a Super Cheap One-Way Check Valve
How To:
Extract an RFID chip from a card & make it wearable
How To:
Build an analog light organ (a colorful sound-to-light circuit)
How To:
Build a laser microphone
How To:
Hack Your Mini-Fridge into a Vending Machine to Take Care of Freeloading Friends at Your Next Party
How To:
Hack a coin operated laundry machine
How To:
Record conversations secretly
How To:
Recharge non-rechargeable alkaline batteries
How To:
Use Your "Dead" Car Battery to Power Emergency Fans, Lighting, and More!
2 Comments
I can't wait to try this!
passive noise canceling only
Share Your Thoughts