Air Gun Fire

Halloween has become one of the most popular holidays of the the year in the United States. Retailers even lease out empty retail spaces to put in Halloween stores. People hang Halloween lights on their houses, decorate the front yard and of course there are hundreds of haunt ...more

I like to grow vegetables all year round, and I couldn't afford the big gas bulbs, or the power to run them. The big gas bulbs: can explode can burn you and your plants cost upwards of $50 a month to operate raise the temperature in your home, causing the air conditioning to ...more

Deadly natural disasters can happen at any moment— earthquakes, hurricanes, tsunamis, floods, fires and especially tornadoes. That's why you have to be prepared. According to Secrets of Survival: The greatest and most frequent tornado occurrences happen in the United States. ...more

Materials 4 - 5" long bolts 4 matching nuts 8 heavy duty flat washers 4 to 6 - 2" taper head screws Longer bolts to mount the router base to a thicker surface. These must match the thread of the original bolts that came with the router. 1 hunk of wood - 1 1/2" thick x 4" wide ...more

First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more

Police in Los Angeles have killed a motorist who was fleeing after a police chase on U.S. 10 in the San Fernando Valley. Eight cops fired more than 90 rounds at 19-year old Abdul Arian as he fled police after they rammed his car. The teenager was unarmed. According to an LAPD ...more

NBC News has fired the producer it deemed most responsible for the airing of a selectively edited 911 call placed by George Zimmerman the night he killed Trayvon Martin. Sources at NBC who asked not to be identified confirmed a New York Times story saying that a Miami-based p ...more

Here's a fun little hack you can try at home with your kids. The purpose of this tutorial is to teach you how to make this fun toy gun. It's a very simple and economical project. Tools and Materials: You will need the following: 1 glue gun (you can purchase these at your loc ...more

In this article, I'll show you how to build a coil gun. A coil gun is a device that fires magnetic projectiles at high velocities, using electricity. Coil guns require no explosive propellant, therefor can be fired an infinite amount of time, providing that there is ammunition ...more

This video features guns created by a new book called Badass Lego Guns. The book is a guide to how to build guns made of LEGOs that actually fire LEGO bullets. Order book at: http://XUBOR.COM

Sodium (chemical symbol Na) is an interesting element. It reacts in contact with both oxygen and water, and several sodium salts are used to produce a yellow color in fireworks. The metallic form has limited uses in chemistry, and is too soft and reactive to be used as a buil ...more

"Photo Grandpa" aka Fotoopa (that's photograndpa in Dutch) has created an amazing laser rig for ultra-high speed photography. Says Gizmodo, "His setup includes his own custom shutter—which can fire at five microseconds—made around an Arduino controller and custom aluminum pa ...more

Well here it is, this is an older pic but it still works, the only change from this pic and the current cannon is that I have put some duct tape around the PVC bonds and am planing on spray painting it. The compression chamber is over a foot and a half long at 2" diameter PVC ...more

Sorry for the wait, but here are some pictures from the contests two and three weeks ago. Thanks to Justin: Got it stuck on a magnet- it wasn't easy to get off. In a plastic cup with a magnet under it.. The bottle. Thanks to Rachel: The toothpick shooter. The paperclip/mat ...more

Responding to the inexplicably rampant use of faux-documentary techniques in "Battle: Los Angeles", Matt Zoller Seitz of Salon eloquently and hilariously lambastes the "played-out" fad of the shaky cam. Here are just a few nuggets: 'Get yourself a tripod. Make a shot list. Th ...more

The United States is a hierarchical country where the weak ones are at the bottom and the powerful ones are at the top. Garment workers are at the bottom of the list although they are the most important. Without them there would be no fashion industry. They sew and cut the gar ...more

Start with a platform (just wide enough for someone to stand on) about ten feet in the air. This is our jousting area. Underneath the platform is an inflatable kiddie pool filled with...you guessed it...poo. Not bad enough already, Knoxville and the rest of the crew are standi ...more

Number One and Number Two Go 3DSet up a platform, just wide enough for someone to stand on, about ten feet in the air. This is our jousting area. You know, the kind of jousting with the giant Q-tips. Underneath our jousting platform is an inflatable kiddie pool filled with...y ...more

My best prank would be to tie a bunch of helium balloons to a chair and tie a really long rope to the chair (probably 20 feet high). Then tell someone the skit will be for them to get in the chair and the balloons will take them up and they won't know how to get down. Once the ...more

Tesla coils are totally insane, yet undeniably captivating. And they can be used for many things, from electric painting to dueling musical battles. But one trigger happy fellow has a different use for Tesla's lightning shooting coil. A weapon. After being inspired by the ste ...more

This week, I've been working on a project that sort of takes a spin off an old-style potato gun. Using PVC pipe and the rapid combustion of hairspray, we can launch a rocket hundreds of feet into the sky. As usual for my projects, I tried to use only materials and parts that a ...more

In my recent article, How to Make a Mini Cannon with a Lighter, I demonstrated how to make a powerful combustion cannon out of parts salvaged from a standard BBQ lighter. The mini cannon was originally made to fire airsoft pellets, but I felt it was time to revive the project ...more

I love this project. It involves fire, projectiles, electricity, and is easy to put together from commonly available parts. This mini cannon fires airsoft pellets, is fueled by alcohol, and is made almost entirely from parts found in a standard BBQ lighter. The total cost is u ...more

In 1963 a Vietnamese Buddhist monk named Lâm Van Tuc burned himself to death on a busy Saigon road in protest of the persecution of Buddhists by South Vietnam's Ngô Ðình Di?m administration. Malcolm Browne's photo and journalist David Halberstam's account of the event circulat ...more

One summer day last year we were in our farm house in New Hampshire.  My brother's friend, Michael, had just made a spankin new potato gun.  We ran out of potatos.   You know what I am talkin about.  Everything is happy until you run out of potatos.  Mom is sitting peacefully ...more

Shoot-em-up games, or shmups, consist of lone or small groups of players shooting at and being shot at by hordes of colorful enemies. The genre is thought to have peaked in the mid-'90s, but recent games in the indie world may be saying otherwise. Geometry Wars and other twin- ...more

Beware the Canning Mission! The Zynga Community Forum is full of complaints about the new Canning Mission. Here is an outline: Mmm Tomato Gravy! Canning Master Part I - Harvest 50 Tomatoes - Collect 5 butter - Have 5,000 food (This will be consumed) Hot and Saucy: Canning M ...more

Propaganda and indoctrination at it's peak. My friends, today, when I was browsing through the net for news, I noticed something on MSNBC. It was a very short article, with a title that just wasen't true. Before talking about it, let me tell you why this is important. If you' ...more

Balloons are fun, but the helium ones are always more entertaining. So today, we're going to learn how to make hydrogen gas by combining toilet bowl cleaner with aluminum foil. With hydrogen, you get the same lighter-than-air properties of helium, plus it will explode! Histori ...more

It's one of the greatest fears among parents and politicians the world over—video game violence spilling out into reality. The shooting at Columbine and the more recent tragedy in Utøya, Norway have touched deep nerves in Western consciousness. And that's why there's a giant p ...more

Laser gun + killing mosquitoes = lots of little boy fun, but what's it all about? Quite possibly the most entertaining, thrilling, and well, downright life-saving presentation at this year's TED conference was Intellectual Ventures' mosquito death ray. The mosquito death ray ...more

There is nothing more annoying than a greedy roommate. It's absolutely infuriating to wake up and find the cookies your mother just made for you gone without a trace. Your favorite drink is empty and the homemade meal you worked so hard on the night before is nowhere to be fou ...more

Store-bought fake blood isn't too expensive, but the consistency and color are always the same. Real blood varies, from bright red when oxygenated (arterial blood) to deep, dark red when deoxygenated (venous blood), and it can be either thick or thin. So to achieve the best sp ...more

There's no doubt about it—the most elite military force in the United States is hands down, the Navy SEALs. They can operate at sea, in the air and on land, and their ability to conduct missions underwater separates them from most other military units in the world. They've fou ...more