The video featured in this article demonstrates the function and design of a powerful form of air cannon that operates using a purpose made valve that opens very rapidly. This allows for a massive amount of pressurized air to be released at once to throw a projectile many hundreds of yards. The design of the cannon also allows the barrel and the air chamber to occupy the same space, and so it is very compact and manageable which makes for an enjoyable shooting experience.
As with most things on the Internet, browser cookies can be either helpful or harmful, depending on how they're used. On one hand, they make your experience more convenient by storing information about sites you use frequently. On the other, they can help companies track you across the web or cause your computer to be more vulnerable to attacks on public networks.
When was the last time you bought a CD? Most of us listen to music through a number of digital channels—MP3s, Internet streaming services like Pandora and Spotify, and satellite radio, to name just a few.
Not sold on Apple's iPhone claims of battery performance? I will show you some simple tweaks and tips to reduce that rapid battery drain and extend the use of your iphone between charges -free.
I think most people can agree that advertisements are just annoying. There is only one day out of the entire year when commercials and advertisements are actually welcomed, and that's the Super Bowl. But, since it can't be the Super Bowl every day (if only), those ads that float around on your Microsoft Surface's screen are just obnoxious. Luckily, there is a way to get rid of them, on Facebook at least. Facebook is one of the most visited sites in the world, so having the ability to hide ads...
As a multitasker, I've embraced the hustle and bustle that has filled my life. I'm constantly doing several things at a time, while looking for shortcuts to finish all of these things quicker than before. I brush my teeth with my cell phone in hand and drive to work with breakfast in mouth—I spare no time. Well, now there's an application for the Mac users among us that can help take some of the stress out of doing a thousand things at once.
I use Google Chrome every day for my browsing needs, and I had no idea they were hiding something from me. So, I was pretty surprised to see that Chrome has an entire hidden experimental add-ons section. There are add-ons that work for Mac, Windows, Linux, and Chrome OS, so there's something for everybody.
Google Now is an extremely intelligent personal assistant that automatically updates and prepares the most pertinent information for you on your Android device. Traffic updates, alternatives routes, weather conditions, and other important data is constantly being monitored and updated for you.
Last week, Instagram stopped supporting media Cards on Twitter, meaning that in order to view a full photo shared in a tweet, you have to click through to Instagram rather than seeing it on your Twitter feed. Otherwise, the photo will appear to be cropped.
The first album I ever bought with my own money was Nirvana's MTV Unplugged in New York. It featured mainly lesser-known songs and covers, but was on constant repeat on my Walkman. While the whole album was fantastic, there was one song that stood out the most to me—"The Man Who Sold The World." The song (originally written by David Bowie) kept me under a spell, which had me replaying the song over and over and over and over. As I got older, I found myself sharing this relationship with a han...
We all know that DNA is pretty amazing, but it's not something that most of us get much hands-on experience with. Even though it's in every living thing around us, we never see it, so we rarely think about it either.
One of the most disappointing experiences ever is when you save all your money for a really expensive gadget—and then break it. Whether it happens the day you buy it, or years later, it's always frustrating.
Let's say that you've got the look down, and you have your Steampunk props all ready to go. Congratulations! You're a Steampunk!
If you have an iPhone or iPad, but use a Google account for most of your communication, syncing your contacts just got a lot easier. Google recently announced that they added CardDAV support, an open protocol that lets you seamlessly integrate Google Contacts into other services. Google states that "Syncing via CardDAV is only available over SSL for Apple devices on iOS version 5.0 and above." So, if you're running an older iOS version, you'll have to use Google Sync instead.
Over 2 million people are anxiously awaiting the arrival of their new iPhone 5, which has caused a few shipping problems, to say the least. There has been a considerable amount of confusion about when, exactly, the iPhone is going to ship, depending on where it was bought and how it's being delivered.
With gas prices constantly digging into your wallet, biking will always be a cheap and easy alternative for getting around—and it's a perfect way to get in a little exercise. But with the fall season about a week away, it is going to start getting dark a lot earlier and that ride home might be a little more dangerous. So to save yourself an unexpected trip to the ER, take a little time to make your bicycle impossible to overlook.
Windows users have been getting a lot of bad news about their security lately. First, we found out that passwords in Windows 7 and 8 can easily be exploited if password hints are enabled, and now, Russian password-cracking software developer Elcomsoft has found another huge vulnerability.
Invented by Philadelphia tinsmith John L. Manson in 1858 for canning and preserving perishables, mason jars are experiencing a major resurgence in the DIY community. In addition to being a handy storage device for both food and non-food items, its old-timey, quaintly antiquated look also makes for good drinking glasses, candle holders, flower vases and eye-pleasing decorations.
Many Minecrafters think that Minecart Traveling with many rails is the fastest (most efficient) way of travel. They are wrong. There is one other way of traveling with carts on rails, Forward, Backward, and Upward. And it can take you places up to 6X Faster than the traditional Minecart Design, and, its just as simple to make.
Stereoblindness is an extremely unfortunate condition where someone cannot perceive depth correctly. Bruce Bridgeman was one such individual, having an eye condition which prevented him from developing functioning binocular vision. In essence, he was living in a "flat" world.
Yes! soon I will be able to log in more as I untie the shackles this map has placed on me in the time leading up to its eventual release and log in once in a while!
Hack mybrute with this mybrute cheat. MyBrute hacks, cheats, tricks. Watch this video tutorial to learn how to hack a bear and whip MyBrute (08/12/09).
The LG KF700 Virgo is designed to maximize convenience, enjoyment and productivity, LG’s advanced UI brings new meaning to the word convenience. The KF700 is the only place to get hands-on experience with the magic of its touch as you control your mobile life with simple gestures.
Thanks to the PlayStation 3 and Xbox 360, video games are constantly evolving to higher degrees of sophistication, with complex graphics, lifelike resemblances and storylines that create exciting experiences that relieve the tediousness of our everyday lives.
This video series come straight from Google. It's about their new web-based product called Google Voice, which provides you with one phone number for all of your phones (landline, cell phone, etc.), giving you full online control of your telephone experience. Google Voice also allows you to make free domestic calls anywhere in the United States and Canada, gives you a cool voicemail account that's just like an email account, and many enhanced calling features.
This video gives you the lowdown on making a lag switch for gaming. But why would you want a lag switch? What is a lag switch?
A rocket stove is a "rocket" combustion approach to preparing meals, which provides high combustion efficiency and efficient heat transfer to the cooking pot. Research suggests (through practical experience) that by using a rocket stove, you could save at least 50% of fuelwood, which is a significant savings for anyone's financial situation.
How to make TCPO or bis(2,4,6-trichlorophenyl) oxalate, used in glow stick reactions. WARNING: This procedure should only be performed by, or under the direct supervision of, an experienced chemist. Please refer to the material safety data sheets of all chemicals for their hazards. Synthesis must be performed in a fumehood.
If all things go well, you'll only have to take your road test once. That's the goal: to ace your test on the first try and then start driving on your own. Granted, it's a nerve-racking experience, but keep in mind that the California Department of Motor Vehicles wants you to pass. So much so, they give you the examination answers ahead of time! All you have to do is study.
Eeverst isn’t for armatures. If you have the ambition of climbing Mt. Everest you will have to do a lot of preparations including physical fitness work, travel arrangements, not to mention putting aside thousands of dollars to make your dream a reality.
If you have ever overplucked your eyebrows, or had a bad eyebrow experience at a waxing salon, then you need this tutorial. This fun little animation shows you the tools and methods you'll need for your battle against botched makeup. Arm yourself with a brow pencil, brow brush, and proper eyeshadow to fill in what was inadvertently taken out. You won't believe the difference it'll make in your day!
Fixing frizzy hair is as easy as applying haircare products that contain silicone, dimethicone or cyclomethicone. Learn about these haircare products that can help control frizzy hair in this free video on haircare from an experienced hairdresser.
When cutting or trimming your own bangs, make sure your bangs are dry, and use a comb to hold down the bangs while you are cutting them. Learn to hold the comb at a 90-degree angle to cut or trim bangs in this free video on haircare from an experienced hairdresser.
In this scooter engine customization tutorial you will learn how to install a 107 SEF cylinder with water cooled head in a Honda Elite DIO scooter. Modifying the stroker cylinder is a major modification so you should have some mechanical experience. This is part of the process of installing a stroker cylinder kit in a Honda Elite DIO scooter.
Looking to do some fishing this weekend? Take a look at this instructional video and learn how to tie a simple crappie jig. This is one of the easier patterns to start off with for those with no fly tying experience.
Starting a rug is the hardest thing to do, and beginners are often better served to work on a start made by an experienced rug maker to become comfortable with the stitch. That being said, there's nothing that can't be learned with a little help and practice. Watch this video weaving tutorial and learn how to weave a toothbrush rug starting from a tight braid.
Add a twist to your typical sushi eating experience. Why not try making a blue roll sushi with honey, mango, cucumber, caviar, salmon and tuna. This sweet sushi recipe is sure to delight your senses.
Derren Brown shows how to get drunk without drinking! Or recreate any drug experience without taking the drug.
This short video teaches you how to make real ice cream with your preschooler with just some plastic bags. This is a wonderful activity for using measuring skills, scooping and pouring skills, and experiencing a science reaction. The best part is the great tasting ice you can make in about 5 minutes!
IPython provides a far more powerful alternative to the standard Python interpreter, incorporating features such as string-completion, code-line macros and a rich history. This is free software that Ian Ozsvald has found to enhance the Python coding experience.
