Rechargeable Batteries

How To : Recharge non-rechargeable batteries in seconds

This how-to video will show you how to zap charge a non-rechargeable battery with only two wires and a car. Sounds cool, and fun, unless of course you zap yourself. Watch this video circuitry tutorial for more information on this simple, money-saving hack.

How To : Make a rechargeable, solar-powered USB battery

An emergency battery charger for your mobile phone comes in handy, but it's not the ultimate solution; once it's dead it's useless (what a waste). If you want to really get off the metaphorical grid, you can follow the steps in this video to construct a more robust circuit tha ...more

How To : Recycle batteries

Those old cell phone and laptop batteries staring you in the eye? Don’t worry, recycling them is easy. Step 1: Collect your leftover batteries Collect all your leftover batteries. Rechargeable batteries from cell phones and laptops are especially important to recycle since th ...more

How To : Make a Survival Light Source

This is just a simple survival light source. You can use a cheap outdoor solar yard light like the one in the video from walmart. There only about 3 to 5 bucks but you can use them not only as a light source but a way to recharge AA rechargeable batteries. First, it will make ...more

How To : Make a 200mw burning laser

Don't use a perfectly good DVD burner to get your laser that will pop balloons, light matches, and burn stuff. Just buy a laser diode at mfgcn.com and also a laser housing, and you won't be tearing a computer DVD player apart. This is the easy way to make a 200mW burning DVD l ...more

How To : Assemble a Survival Kit

I am writing this quick post in response to the recent earthquakes and tsunamis that are affecting Japan. As soon as the news broke, and we began to hear of tsunami warning for our area, I immediately realized how under prepared I was for a natural disaster. The thing that dro ...more

How To : Make a lithium thionyl chloride battery

Watch this science video tutorial from Nurd Rage on how to make a lithium thionyl chloride battery, which is capable of generating 2.8v with enough current to power a LED. Warning: Thionyl Chloride is EXTREMELY toxic and this experiment must be performed in a fumehood by an e ...more

How To : Things to Do on WonderHowTo (04/11 - 04/17)

WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the most ...more

How To : Make A High-Lighter Stun-Gun

The Stun-Gun In this article, I'll show you how to make a small, weaponized highlighter. Before I get into how to built this device, let me warn you. This device is harmful! When used, it can cause burns and/or serious muscle spasms. The voltage is potentially deadly! DO NOT ...more

News : Magic Leap One's Battery Life, Memory Specs Revealed

Last week, Magic Leap gave us an additional peek at its Lumin OS and more tutorials that show how its device works with virtual content. But details about the hardware wasn't included in the array of new information. Now, thanks to a developer with a keen eye for source code, ...more

News : DIY 3D-Printed Arduino Robot

This is a nice project that you can continue to work on and modify as you learn more Arduino projects. The Instructable linked below goes through the complete build for the Bluetooth-enabled robot seen in the first half of the video. As long as you have a 3D printer, this pro ...more

News : Sony Developing Longer-Lasting Smartphone Battery

Sony Corp. is working on new battery technology that the company says would have a 40% longer life than a lithium-ion battery of the same size. Sony is planning to have the higher-capacity batteries on the market around 2020. Sony's current lithium-ion battery.. The new batter ...more

News : Ultimate NES Cartridge Mod

There are many NES mods on the internet, but this one is pretty awesome. From Ben Heck forum: "My nesP is basically a no-name china brand portable media player, with the advantage of being able to play nes roms, and a nes controller hacked to the controls. First off, the but ...more

News : Disney Does Driverless in the Sunshine State

Disney is gearing up fully autonomous vehicles that will shuttle you and your family from the parking lot to the amusement park, stress-free. Well, as stress-free as you can get while introducing grandma to the concept of a car with no driver. No, grandma, Satan is not "steeri ...more

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