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How To: Launch a Cork Rocket with an Ultraviolet LED Flashlight

Science is most marvelous when it's creating an explosion, even at the tiniest of proportions. In the video below, Daniel Rosenberg from Harvard's Natural Science Lecture Demonstration Services reveals the secret to shooting a cork rocket over twenty meters using a little chemistry and an ultraviolet LED light. Rosenberg, who's a research assistant and lecturer for the Natural Science division at Harvard, demonstrates what happens when hydrogen and chlorine are explosively "burned" together t...

News: Holy Pac-Man! DIY Light Painting Saber Is Pure Awesome

A few months ago, we showed you a pretty awesome light painting project that visually captured invisible Wi-Fi signals around town using a Wi-Fi detecting rod filled with 80 LEDs. With some long exposure photography, the results were pretty amazing. This project was inspired by those crazy Norwegians, but this build lets you do something even more amazing—capture pictures of colorful written text and drawn images, frozen in midair.

News: X-Men - Shot with Technicolor Cinestyle

I shot this X-Men: First Class Spoof with the new Technicolor CineStyle picture profile (it was a 5d, as well). I had done some initial testing, when the profile first came out, but never shot a real project on it. This X-Men short is my first real world experience with the profile.

News: Become Your Own Souvenir

As a kid, my favorite thing to do at the Natural History museum was a midday stop, when my family strolled past an antiquated looking vending machine in the museum's musty basement. The Mold-A-Rama machine was oddly shaped, George Jetson-esque, and spewed out made-to-order, brightly colored plastic dinosaurs. There was such joy in watching the liquid wax pour into the mold, and then eject a warm, custom toy—well worth the dollar or two demanded. A version of this tradition was recently elevat...

Classic Commodore 64 Reborn: Get a 2011 PC in Retro Skin

Back in 1982, the Commodore 64 home computer was released by Commodore International for $595 (which would now be close to $1,300). It featured an 8-bit microprocessor, 16-color video microchip, awesome sound chip, parallel and serial capabilities, and a whopping 64 kilobytes of memory, all of which helped make it the best selling home computer from 1983 to 1986. It surpassed anything IBM had out at the time. Its greatest competitors were the Apple II and Atari 8-bits, 400 and 800. And it had...

News: EL Wire Basics

EL Wire is a bit tricky if all you want to do is glow. But there's a lot to know about the technology, as well as helpful information to get you addicted to it. EL Wire is a thin copper wire that gives off a beautiful glow when an electric charge is applied. There are 10 colors of EL Wire, and each wire has it's own unique characteristics. Typically EL Wire is used for safety as well as costuming. It has such a low power point that it can run off as little as watch batteries to make it glow!

News: Building a Bonafide Solar Death Ray Sounds Too Easy

Eric Jacqmain is one smart cookie. Borrowing from the same principles of Archimedes’ mythological death ray, the Indiana teenager used an ordinary fiberglass satellite dish and about 5,800 3/8" mirror tiles to create a solar weapon with the intensity of 5000x normal daylight. The powerful weapon can "melt steel, vaporize aluminum, boil concrete, turn dirt into lava, and obliterate any organic material in an instant."

How To: Make Homemade Microwaveable Foot Warmers

Well, Ol' Man Winter is upon us yet again, blasting us with his icy breath. When I was a kid, I loved wintertime because it meant the prospect of sledding, snowball fights & missed school days in which to enjoy both. Now that I'm 45, however, my attitude toward the season has taken a complete 180-degree turn: I find myself dreading it because of the likelihood of being snowed-in for days on end, and the certainty of being forced to endure the frigid temperatures.

News: Bubbles and Squeaks Awesome Leftover Usage

I saw this on the Food Network and tried it out. We loved it. It is a great way to use leftovers and with Thanksgiving coming up, I know you'll want to try it on Thanksgiving evening while watching football. I think it was Jamie Oliver who presented it although I couldn't find it on the website. It was described as a common thing done in the UK as the evening meal after a Sunday lunch. It is great with leftover turkey, dressing, and potatoes and gravy. MethodTake the left over turkey and brea...

News: Gigantic Carpet of 750,000 Begonias (Assembled in Just 4 Hours!)

Every summer the city of Brussels assembles an enormous carpet of begonias, under the advisement of one hundred experienced gardeners. The project is planned far in advance, with illustrations and scale models based on a chosen theme (previously chosen have been the arms and shield of a town or commemoration of important events). This year's theme features Saint Michael striking down the dragon, the official protective image of the city, founded over 1,000 years ago.

How To: Make Beef Teriyaki Stir Fry

My girlfriend and I enjoy making this dish together at least two or three times a month. It still remains one of our favorite things to make during the week. Its fun to make and dose not take a lot of time out of our busy schedule. The meat is extremely tender and tasty when its made right. This meal is also very inexpensive witch for me makes it taste even better. We use frozen vegetables to keep things quick and easy. You can chop your own and use fresh vegetables; it's all up to you.

How To: Make a torched yellowfin (or ahi) tuna and pea salad with anchovy vinaigrette

If you're a tuna lover, but aren't really fond of the raw sushi tuna variety, this could be the perfect blend of both worlds. Tuna enthusiasts no longer have to have it one way or the other… go in-between with a lightly torched tuna meal. Lightly torched tuna (yes, a blowtorch is used) joins a sweet, salty and tangy vinaigrette with fresh herbs and anchovies. Piled atop vibrant radishes, scallions and peas, the dish was beautifully assembled and presented to an appreciative farmers' market cr...

News: This Cow Tongue Looks Delicious

Here's another jewel from Serious Eats series, The Nasty Bits: yummy cow tongue, complete with that lovely texture we all know so well. Though most us likely have a negative visceral reaction to the idea of tongue, Serious Eats make a compelling argument that it is actually one of the tastiest bits of the animal.

News: Dragon Age 2 First Images

The first images for the hotly anticipated Dragon Age 2 have come out, courtesy of Game Informer. The developer, Bioware, went on record earlier saying that the sequel will have better graphics and art direction than the first one.

News: 10 Google Privacy Settings You Should Know About

Google has caught a lot of flack for various privacy infringements over time. Google Buzz was the latest uproar, when lack of proper prior testing allowed the tool to expose a slew of information users did not necessarily want shared, resulting in massive complaints. A Harvard student even went so far as to file a lawsuit (read more).

How To: Do a bicycle crunch ab exercise

The bicycle crunch is traditionally used to work the oblique muscles. While that may be true, this exercise is good for overall abdominal strengthening. The rectus abdominis (the "six pack" portion of the abs) is probably more active than are the obliques. Nevertheless, it is still an effective ab exercise. Instructions for the bicycle crunch are listed below:

How To: Unlock On/Off Icons for Toggle Switches on Your iPhone

Apple's iOS doesn't have the best reputation when it comes to customization, but with every new iOS version we get, there are more options to personalize. Your iPhone comes packed with plenty of tweaks and hacks to make the device feel truly yours, and one of those is a fun yet useful mod that adds on and off icons for toggle switches on your iPhone.

How To: Change Your iPhone's Name with Just a Couple Clicks

Your iPhone's name matters more than you might think. It shows up when AirDropping files to other Apple devices, when keeping tabs on your devices' locations via Find My, and when syncing with your computer. While "Jake Peterson's iPhone" gets the job done, I'd rather give the phone I spend all my time with a proper name.