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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: Google+ for iPhone is Finally Here!

Just announced by Google's Senior Vice President of Engineering +Vic Gondotra, Google+ has finally arrived for the iPhone! Many people have been waiting for this for a while, and it seemed like it would be held up forever in Apple purgatory, but now it's available for the iPhone 3G, iPhone 3GS, and the iPhone 4. Support for iPad and other Apple iPhone devices is in the work, so be patient. You can download it directly from the iTunes store.

News: ShakeCall App Lets You Answer and End Calls Agitatedly

Android users aren't required to answer and end phone calls by pushing buttons, thanks to ShakeCall by YSRSoft. It's a free application available in the Android Market, which links the answer and end functions to the motion of your smartphone. If someone calls you, shake to talk to them, or leave it alone to ignore. To end your conversion, shake again.

News: Eee Pad Sells Out on First Day—The Biggest iPad Rival to Date?

The iPad has established itself as "the" tablet computer for gadgeteers on the go. But Google is giving Apple a run for their money as Android tablets improve with each new release. Motorola XOOM and Samsung Galaxy are among the top dogs competing against the iPad, along with another from ASUS, which just became available yesterday in the United States—selling out in mere minutes.

News: Thirsty Plants Text for Water

Can't remember when to water the plants? Wish they could just tell you when they need watering—just call you on the phone or something? Or maybe text you, "Help I'm desiccating!" Telecommunications researcher Kate Harman has come up with the device of an absent-minded plant owner's dreams—Botanicalls. It hooks up to your plant and sends you a short text message when the plant is too dry. Each kit costs $99 and includes metal sensors connected to a microcontroller. Insert the sensors into the ...

News: Hi

1 Walk into a corner in any online level while crouching. Continue crouching once you make it into the corner.

News: What if Super Mario Was a First Person Shooter?

The classic Super Mario Bros is perhaps the most beloved video game on Earth. Almost daily, homages to Mario pop up on the web over and over and over again. Everybody loves the charming 2D world of Mario. But what would Mario look like in 3D… and moreover, what would Super Mario feel like as a First Person Shooter game?

News: Control a Video Game by Swapping Spit

Once there was Spin the Bottle. Then there was the embarrassing adult version of Spin the Bottle—on Wii. And then there was artist Hye Yeon Nam, who decided to skip all pretenses and go straight for the spit-swapping, no foreplay necessary. Hye Yeon Nam devised a method for controlling a bowling video game by French kissing. It works like this: "One person has a magnet on his/her tongue and the other person wears the headset. While they kiss, the person who has the magnet on his/her tongue, c...

News: Hacking MAC OS X

Warnings i cant be held responsible for any illegal act done by anyone but myself and there are copyrights so notise that taken the trademarks or copyrights are strigtly prohibeted by law and will be punshied by law and i or my partners cant be held responsible for sudo cammands plz notise that sudo commands are harmful both pysics and fyskel

News: Liar, Liar, House On Fire

See a burning building? Hold all calls to the fire department. Canadian artist Isabelle Hayeur fools passerbyers with her installation, "Fire with Fire", an artwork that creates the illusion of a fire-swept four-story heritage building in the downtown eastside of Vancouver. "The Downtown Eastside is the oldest neighbourhood in Vancouver; it is also the most run-down. This historic area is infamous for being plagued by social problems due to poverty. Before falling prey to serious urban decay,...

Triathlons: An Introductory Overview

A triathlon is a multi-sport endurance event involving swimming, bicycling and running. The multiple phases of this event must be completed within immediate succession of each other, and the event is timed, along with the transitions between each event.

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: It's Hot, It's Creamy. It's Three Course Gum as a Meal

Remember Willy Wonka's magical gum? Wonka promised the flavors of tomato soup, roast beef, baked potato, blueberry pie and ice cream. As the avid gum lover Violet Beauregarde tested it out, she exclaimed: “It’s hot and creamy, I can actually feel? it running down my throat!” Um, yum... I think. Good news. Wonka's three course chewing gum is finally a reality-in-the-works. Scientists at the Institute of Food Research (IFR) have been developing recent advances in nanotechnology, which could pot...

HowTo: Photograph an Atomic Bomb

George Yoshitake is one of the remaining living cameramen to have photographed the nuclear bomb. His documentation of the military detonation of hundreds of atom bombs from 1956 to 1962 reveals the truly chilling effect of the weapon. Below, images and explanatory captions via the New York Times. Don't miss the melting school bus. Creepy.

News: Metal Isn't Flammable... Right?

Theo Gray of Gray Matter explains the principle behind sending steel up in flames- as long as it's steel wool, of course. The process is beyond simple. Spend 2 bucks and 2 minutes: purchase a steel wool pad, hold in pliers, light with a match. But the question is, why is steel wool flammable, while other forms of metal are not? Explanation below the video. Theo says:

News: The Root Beer Hack Circle Caper

Okay, here we go. Here is the deal. Bam, Knoxville, Dunn, Steve-O, Party Boy, Jeff Tremaine, and myself are dressed in old man faces, but wearing tshirts that say "Beer is Good" and wearing diapers. (Substitute speedos for diapers if you want). We are gathered around Jack Nicholson's Walk of Fame star. The "Nicholson" is covered up by a taped "Ass" to make his star to say "Jack Ass". Because it is his star, it is only fair Jack Nicholson is with us too, also sporting the "Beer is Good" tshirt...

News: Rainbow Riot

Set-up Have one or two guys go to a place where there are people rioting and protesting against gay rights. The 2 guys need to be dressed kind of feminine or awkwardly like in speedo's or something. You can also wear disguises if you want, or don't, either way works.

News: Storage Cellar

More Storage is here for all! It takes up less space than a plot and once you expand it to 500, you can get rid of your other barns if need be and it will hold all 500 items on its own!

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.