Most top swimmers use the grab start to get their race under way. This gets you moving off the blocks quickly and into the water smoothly. The starter will not begin the race until everybody is ready and still. This is really important because you can be disqualified if you fall in before the start or if you are slow getting ready. Follow along in this how-to animation to learn the best method to power off the blocks in swimming.
If you are an optometry or opthalmology student, this is the perfect how-to video for you. Watch these these seven videos and learn how to test a patients vision with a refracting machine using plus lenses. It’s a little difficult to describe the controls used for refracting because every instrument is set up differently. If possible, refer to a manual for the specific refracting instrument that you’ll be using. This vision tutorial will walk you through all the parts of a optical refracting ...
If you are an optometry or opthalmology student, this is the perfect how-to video for you. Watch these these seven videos and learn how to test a patients vision with a refracting machine. It’s a little difficult to describe the controls used for refracting because every instrument is set up differently. If possible, refer to a manual for the specific refracting instrument that you’ll be using. This vision tutorial will walk you through all the parts of a optical refracting instrument, sphere...
Having numerous components and wires attached to your TV can make an awful clutter. Learn how to distribute wireless video content throughout your home in this free video. Distribute wireless video content throughout your home - Part 1 of 15.
If you've ever been inside of a real laboratory, you probably noticed how expensive the equipment is. You'd never be able to afford even just one of those ultra high-tech machines required to splice genes or split atoms. Even the lesser machines can be prohibitively costly, including a stir plate.
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In this article, I'll show you how to make a simple touch-triggered switch. This is very useful for various electronic projects, from a simple bedside light to a flat panel touch keyboard. The circuit can vary in switching power depending on the transistors you use. For example, if you're looking into creating a 120V light that turns on when touched, you'd need two powerful transistors and an isolation relay. However, a simple flashlight that turns on when touched would only take a couple of ...
When you're out and about in the dangerous world of Wi-Fi, it's hard for the average computer user to stay protected, or even know what being protected entails. Little do most people know, Windows 7 has a built-in security that few people take advantage of: a VPN (Virtual Private Network) server and client.
A few years back, I wrote an article, in fact mostly to my family and friends, titled "The Evil Power of To:". I was referring to all the folks sending emails out willy-nilly to all their friends with no regard for whether or not you or I would want our email addresses boldly displayed on the "To:" line of an email. This article very pointedly explains what BCC: is and WHY you should always use it when sending out emails to more than one person. Check it out!
Yogurt is not a difficult thing to make in your own home kitchen! You don't even need a fancy yogurt maker! All you need is some whole millk and yogurt starter, plus some mason jars, an instant read thermometer and an insulated styrofoam cooler. Make your own creamy and delicious yogurt at home.
Not only does this solar-powered cinema have all the trimmings of a great movie theater — ticket booth, brick façade, Ionic columns, popcorn machine, fancy art deco signage —, it is itself remarkably trim:
Sometimes going ghetto is the best route, especially when you can save about $1200 big ones. Just ask the guys over at 1 Block Off the Grid. When they needed a fancy Mac to run Adobe After Effects, they decided to Hackintosh it. Meaning they built a Mac in a box -literally (a cardboard Amazon box acts as the "case").
In the market for a personal helicopter but anxious about increasing your carbon footprint? Pick up a peroxide-powered single-seater like Avimech International's Dragonfly and chop till you drop. WIRED's Autopia blog reports,
If you have a pocket door installed in your home, there are moments when it can become damaged and fails to work. If you're having problems with it and are finding a quick solution to replacing it or repairing it, this tutorial will be there to help. Check it out and enjoy! Repair and replace pocket doors in your home.
Alter Evo on Flickr has created this amazing starfighter and service unit vehicle. This is what he says about it:
Thinking of planning a trip to India? Better wait 'til next year. Holi, the festival of colors, looks absolutely breathtaking.
Tinkernut demonstrates how to crack a wifi connection, as well as how to better secure your own personal connection. Also included in the video gallery is Tinkernut's previous tutorial on the same subject.
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 how to Do a backhand return off a power serve for squash.
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 backhand return: volley drop off a power serve.
Despite being leaked over a month ago, Sense 6 has now made its official appearance on all major US carriers. This update weighs in at about 668 MB and comes with Android 4.4.2 KitKat, as well as these new improvements:
Studying for a big test? Rather than weighing your mind and body down with empty calories and junk food, eat smart with healthy foods that are known for decreasing your chances of developing Alzheimer's disease, keeping your neurotransmitters healthy, and increasing blood and oxygen flow to your brain.
The next time you buy bread, tortillas and other produce or baked goods items that come with twist ties, don't throw them away. These handy pieces of plastic-covered wire come to good use when you need to build a garden trellis, organize your power cords, replace your zipper pull or securely tie your Christmas ornaments to your Christmas tree.
Delicious jelly donuts, made at home! For this recipe, you will need: 4 1/2 cups white flour, 1 teaspoon salt, 1 envelope of dry active yeast, 1 cup milk (room temperature), 2 tablespoons of sugar, 2 large eggs, 1 tablespoons unsalted butter, 1/2 cup of your favorite jelly and vegetable oil for frying. Make home made jelly donuts at home.
Via Jeff's Arduino Blog, the Princess and the Pea Alarm Clock:
The Brits have contributed a new sport to the world, coined Horsesurfing. Yes, it is just what it sounds like: the combined skill of horseback riding and surfing.
Capstone's CMT-380 stealth looking prototype can hit 150mph, compared to Tesla's 125. Tesla better step it up.
According to Google's (albeit rough) translation from French to English: "A big wheel in India that does not work with an engine but using human power. Men throw themselves in front of the wheel to rotate due to their weight."
It's hot. You're hungry. The power's out. What to do?
Thanks to online music services like eMusic and iTunes, compact discs are becoming a far distant memory, turning local music shops around the country into desolate wastelands. The once mighty movie rental store Blockbuster is now bankrupt because of online streaming services like Hulu and Netflix. And Borders and Barnes & Noble are closing stores left and right thanks to eBooks available on eReaders, like the Amazon Kindle. Everything is moving to the digital world, and everything is finding ...
Nolan's Express Tips: Hall of Famer Nolan Ryan talks about being a "drop and drive" pitcher and creating leverage with pitches. This is a great tutorial from MLB and Nolan Ryan on how to throw a pitch with leverage. This will increase your power and accuracy in baseball. Create leverage with "drop and drive" like Nolan Ryan.
Watch this "Grease On Your Hands" video tutorial from the Washington Post to see how to patch a flat tire on your car properly.
This 3D software tutorial teaches you the power and simplicity of the group mask in modo 301. When you hear the term mask, you probably think of layer masks, but group masks are different and more complex. See how to use a single procedural, image or vertex map texture to modulate multiple complex material and texture sets in modo 301. Use group masks in modo 301.
See how to make a very cool oil lamp for just under one dollar. This emergency lamp will help you out in emergency power outages, or if you're just getting sick of normal candles. Make a cool oil emergency lamp for under a buck.
With a little circuitry, you can find exactly what you need to make a very "cool" USB powered Mini Fridge. Just check out this how-to video. This cooler is perfect for keeping your drinks cool while gaming or at the office. Watch this video tutorial and learn how to build a USB mini fridge. Make a USB mini fridge.
The vanishing plug-in is one of the best new features in Adobe CS3. This videos shows the power you can unleash by using this photoshop plug-in. Use the vanishing point plug-in in Photoshop.
The Battle of Poo Sea This battle involves 3 teams of three. Each team has an unstable canoe with a high powered cricketball/baseball shooter mounted at the front.
This software tutorial shows you how to use masks in Flash CS3. Colin Smith explains what masks are and shows you how to open up creative possibilities by leveraging their power. Animate an image inside text and create a funky border with masks in Flash CS3. Use masks in Flash CS3.
Logic boards fail generally in water issues and power issues. These two repairs are linked, the logic board and click wheel. You need a flat head screwdriver, pry tool and patience. Replace click wheel and logic board on 5th gen iPod.
Levers are the only toggleable way to provide a steady source of power to your redstone circuits, but they're ugly and they stick out like a sore thumb. Just look at this:
As some of you Mad Science readers will remember, we recently covered the separation of water into hydrogen and oxygen using electrolysis. Passing a current through water can rend it apart, but we can also recombine that oxygen and hydrogen to make electricity! This is the principle behind those vehicles run by hydrogen fuel cell engines.
