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How To: Generate Electricity From Kinetic Energy

Piezoelectric Energy In this article, I'll show you how to make a small, wallet-sized device that generates electricity from kinetic energy. The concept is simple: Piezoelectricity is the charge that is produced when certain solid materials (commonly ceramic and crystal) in response to mechanical stress. Piezoelectrics have many applications; in speakers, actuators, sensors, even fuses. For more information, click here.

News: Creepy Theremin Utensils Howl the Pain of Slaughtered Ghost Chickens

One of the creepiest musical instruments ever is undoubtedly the theremin, a device originating from the early 20s that emits eerie sounds with a just a wave of the hand. If you've seen the original movie The Day the Earth Stood Still, you know what I mean—freakishly creepy. Playing the theremin can be off-putting for some, since it's a relatively pricy gizmo, but a new geek gadget called the EaTheremin aims to make all of us professional, dinnertime theremists.

How To: How Much Radiation Does Your Phone Emit?

Tawkon has developed an app for the iPhone, Android, and Blackberry that measures the radiation levels at any given time. The demonstration below shows how the radiation levels go up for each phone when a "death grip" is applied. What's a death grip, you may ask? A death grip is a simple term used to denote a hand that has recently killed. What a troublesome thing to have.

How To: Change Rear Disc Brakes on a 2001 Chrysler Town & Country Minivan

Changing the rear disc brakes on your 2001 Chrysler Town & Country (henceforth referred to as T&C) can be quite a challenge, but if you can spare a few hours (remember that you need to budget time to get the brake parts from the parts house) and are willing to get a little dirt on your hands, then you can save quite a bit of coinage!!! If after reading this article you do not feel like you can safely change your brakes, then bring your vehicle to a repair shop and let a professional do the jo...

News: Frozen Screen of Death

Stuff you need You're gonna need some Dry Ice, a geek/nerd friend or anyone in general who's a complete and utter idiot when it comes to computers, a laptop (prefferably a brand new one), several accomplices and a high-resolution screen shot of this:

How To: Make a candy bar for a miniature dollhouse

Garden of Imagination describes how to make a miniature candy bar for a doll house. First find a photo of the type of candy bar you want online. Once you find the image you want right click the icon and select "copy". Open a new MS Word document and paste into it. It should be too big so right click the picture and go to hyperlink in the menu that pops up. If the picture has a hyperlink remove it so you can adjust the size. Once the hyperlink is removed click on the picture and boxes should s...

How To: Tone abs with a wood-chopper exercise

The "wood-chopper" isn't just for lumberjacks. You can get the full woodsman workout yourself, without the axe! Men's Health shows you how to do the wood-chopper exercise, and when you power through this move, your upper and lower body, along with your core muscles, are working to the max.

Perform a squash solo drill: backhand drive

Squash is a racquet sports game, seemingly similar to tennis, but played on a small indoor court with hollow rubber ball, much small than a tennis ball. Squash is an intense, high impact sport. This squash tutorial demonstrates a squash solo drill: backhand drive.

News: Goodbye Takahashi Meijin, World's Fastest Button-Presser

Pressing the button on a video game controller quickly is like running the 100 meter dash. Both require dedication and a precise exercise regime. There is also an odd quality about both in which the range between the very best and complete neophyte is tiny. Sprinter Usain Bolt holds the record in the 100 meter run at 9.58 seconds, only three seconds faster than I ran in freshmen high school track. And yet there are thousands of sprinters from a hundred years of Olympic competition in between ...

The Witcher 2: First Impressions

Do you have an awesome rig that is able to run anything you throw at it at 60 fps with maximum settings? Prepare to be humbled. The Witcher 2 is the first game in quite some time to tax your system the same way Crysis did when it first came out.

News: Enrique Iglesias - "Tonight (I'm Lovin' You)" review

Leave it to to channel lust into a dance hit all about f-ing. The Spanish singer just has this impossible-to-pinpoint, irresistible charm that excuses his chauvinistic qualities and makes him radio gold.But at least he knows he's a pig, and this is the second song where he implores a lady at a club to forgive his forwardness. His rumored girlfriend Anna Kournikova better watch out, with all these groupies at the clubs Iglesias is going after.