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News: Transmitting Power... Tesla Style

Matthew Inman, who runs the popular web comic The Oatmeal, decided to test his new hand-held "Tesla Cannon" (which is essentially a small-scale Tesla coil) on one of his friends. His friend, Matt Harding, held a giant light bulb and allowed himself to be shot with the Tesla Cannon.

How To: Add a mono leader to a braid fishing line

This great how-to shows clearly how to tie a length of braided line to a fluorocarbon leader. In the video, the demonstrator uses large rope so that the technique can be clearly seen. This trick has been gaining popularity in the freshwater fishing community lately in part because it helps to reduce twist and snarl, but absorbing some of the pull. Follow this super video yourself and see if the trick works for you. When you're out in your boat and you feel the tug of that big mouth bass, you'...

How To: Make a double chocolate malt shop cupcakes

In this video, we learn how to make a double chocolate malt shop cupcakes. First, make the batter by mixing together malt powder with chocolate chips, sugar, and the rest of the ingredients. These flavors work well together and will make a classic cupcake! Cook these in the oven until the cupcakes are fully cooked all the way through. When these have cooled, test each of the cupcakes to make sure they are baked through. Next, you will mix together your cherry butter cream frosting and place i...

How To: Troubleshoot Windows memory problems

In this video tutorial, viewers learn how to quickly troubleshoot memory problems in Windows. Begin by clicking on the Start menu. Type "mdsched" into the search bar and press Enter. The Windows Memory Diagnostic window will then appear. Click on "Restart now and check for problems". Your machine will then be rebooted and will run its memory diagnostics tool. It will look for any issues that may cause problems for your system. Advanced users can press F1 when it starts to specify certain opti...

How To: Make a DIY vehicle immobilizer to stop car thieves

We all know the G-spot as that sensitive area that drives women crazy, but for auto enthusiasts, it has a whole new meaning. The G-Spot, designed by Daniel Davies, is a vehicle immobilizer, which keeps your vehicles safe from car thieves. And you don't need to pay a huge amount of money to get one, either! You can make on yourself, right at home, provided you have all the right materials.

How To: Simplify radicals & square roots using exponent rules

See how to apply exponent rules to simplify radicals or square roots with this free video math lesson from Internet pedagogical superstar Simon Khan. Looking for a primer on how to solve matrix problems using a TI-89 graphing calculator? See how it's done with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follo...

How To: Use FOIL to distribute two binomials in algebra

Learn how to use the FOIL method to distribute two binomial expressions in algebra. The FOIL method — which stands for first, outer, inner, and last — takes two binomials and multiplies them for a single quadratic equation. Solving for binomials with FOIL takes just a few steps. Could you use a little help figuring out how to divide fractions? Watch this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have b...

How To: Fold a simple, traditional origami paper goldfish

Forget Goldfish Crackers and the actual living, swimming ones. They both, one day, will disappear. The crackers will only last as long as your hunger, and the living goldfish will eventually die (or also last as long as your hunger— or your cat's hunger). But there's one goldfish that can survive the test of time— an origami paper gold fish.

How To: Tie a Mooring hitch knot

Know your knots! With this free video tutorial, you'll learn how to tie a Mooring hitch knot. To hitch your boat, the Mooring hitch knot is a great, time-tested knot to use. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful fisherman's knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Circuit bend a plastic toy

In this how-to video, you will learn how to perform basic circuit bending. You will need a screw driver, alligator clips, solder, a soldering iron, wires, a wire stripper, a button or switch, and a drill. Open up the device you want to circuit bend. Once the side of the board with the solder points is exposed, take your alligator clips and find two solder points that make an interesting noise. Be careful of areas where the battery is connected, as you might shock your self or destroy the devi...

How To: Create an acid-base indicator using purple cabbage

Purple cabbage is a natural indicator and this video teaches you how to easily prepare purple cabbage in the comfort of your own home to be used as an acid and base indicator. Take one leaf of your purple cabbage, tear it into smaller pieces and place all the pieces into a beaker or bowl of boiling water for an hour. Collect the liquid from your mixture into a bottle. You’ll notice that the liquid is now dark blue or purple at which point is neutral. It is ready to be used as an indicator. ...

How To: Make a candle wax explosion

In this video, you'll see how and why wax can be a deadly. This is how it works,When the test tube is submerged in cold water, the glass forms tiny cracks. The Water enters gets into the tube and vaporizes causing a micro explosion. The hot wax is then ejected from the tube quickly as oxygen is displaced from the tube itself. Be careful, and make sure to be as safe as possible when trying this experiment at home.

How To: Edit audio sequences using Audacity for Mac

Learn how to edit audio files using Audacity of the MAC. 1 Create an audio file by using the built in recording function in Audacity. Save the file prior to starting your editing. 2 Open the file that you created earlier and test the file by playing it. 3 You can copy, cut and paste different parts of the file by highlighting the section in your file and then right clicking (or option clicking) and choosing what you want to do from the pop up file. 4 You can also add effects by highlighting a...

How To: Conceal acne spots on dark skin

The first trick to concealing acne spots on dark skin is to find a concealer with a lot of pigment. Test the concealer on a vein or freckle to make sure it covers completely. Using a synthetic brush, dot the concealer over the pimple, lightly feathering around it to blend in the makeup. You can set the concealer by applying pressed powder with a makeup sponge. When you apply your foundation, be sure to add it lightly, otherwise you may create unwanted smudges.

How To: Sign Up to Play in the Diablo 3 Beta

By now you may have heard that the Diablo 3 Friends and Family beta testing has begun. Diablo III is the next highly anticipated addition in the Diablo trilogy, and is the sequel to Diablo 2, originally published all the way back in 2000. The game is the product of Blizzard Entertainment, a company well known for its very successful Warcraft and Starcraft franchises. Like the other Blizzard series, Diablo III will be exclusively for PCs at launch. Console players can rejoice as the lead proje...

How To: Remember the parts of the cell

Are you much for science? Cytoplasm. Nucleus. Endoplasmic reticulum. Organelle. These words might sound alien, but breaking down the parts of a cell and their functions will help you remember. This is one of the best ways for cell identification, and it's perfect for science class studying.

How To: Write a landing page that converts

Starting up a website can be daunting if you know nothing about web design or setup, but there are some tips to get the right people finding, looking, and returning to your site. A good landing page gives visitors exactly what they are looking for, and converts them from browsers to customers.

How To: Determine your skin tone

In this editon of Tip Tuesday from Pursebuzz we are shown how to determine your skin tone. This tip is a pretty simple way to determine if you're a warm or a cold tone, and if you are pink-based or yellow-based. That's the first question you're asked if you go to a counter and you're trying to figure out your foundation colors or your blush colors or shadows, or what will work for you. The first test is the fabric test. You don't even have to buy this fabric. You could just go to a fabric sto...

How To: Make foolproof filet mignon

In this video, Chris Kimball of America's Test Kitchen appears on CBS to show us how to make full proof pepper-crusted fillet mignon. America's Test Kitchen made this recipe 40 or 50 times to make sure it's the perfect recipe. You can start with an entire tenderloin and cut out the center cut, which is preferred or you can buy them in the supermarket pre-cut. Next, take 5 tablespoons of peppercorns and crush them with the bottom of a saucepan. This makes it easier to coat the meat. Cook the p...

How To: Replace a car reverse light

Reverse lights are not something to let slide. Having a reverse light out can cause a serious accident. Before you kick your car into reverse, make sure your reverse lights are working properly. Replacing them is easy and takes only a few minutes.

How To: Isolate a variable

If you're struggling a bit with algebra, check out this video to learn how to isolate a variable. Isolating a variable is a matter of separating and simplifying.

How To: Take good notes in class

Do you write down everything you hear—then get overwhelmed when it’s time to study? Save time—and improve your grades—with this note-taking system. Learn how to take good notes in class with this Howcast guide.