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News: Why Nikola Tesla's Wireless Power Was Fated to Fail Due to Exploding Airships

Nikola Tesla is one of the most tragic figures in the history of science, a history that is practically filled to the brim with tragic figures. Francis Bacon, a 16th century philosopher and scientist, caught pneumonia and died because he was trying to stuff snow into a dead chicken. Marie Curie died as a result of her long-term exposure to radioactivity, and her papers from the 1890s are too radioactive to touch without protective gear to this day.

How To: Create an artsy Frida Kahlo hairstyle for Halloween

Like all famous artists, Frida Kahlo had a very colorful life. Raised in a small town outside Mexico City, she lived through the Mexican Revolution and was struck by a bus as a teenager, an incident which caused a broken spinal column, broken collarbone, broken pelvis, fractures, and a punctured uterus which led to infertility problems later on.

How To: Make an infrared heart sensor

This video shows how to create an infrared heart sensor using an Arduino controller, a couple of resistors, and an infrared light emitter and detector. This device will be used on the subject's finger, detecting the amount of blood which is flowing through the subject's finger. The amount of oxygenation of the blood is shown in the finger, which will cause the infrared light to reflect off the skin and to the transmitter which is close by. The fluctuations of oxygenation are picked up by the ...

How To: Reduce shoulder injuries with stabilizing exercises

In this video, we learn how to reduce shoulder injuries with stabilizing exercises. This will not build your muscle, but it will help prevent you from hurting your shoulder, which will cause you not to work out. The first exercise you can do is to lay on your side and place a folded towel underneath your elbow. After this, relax your body and prop your head up with your other hand. Now, grab a small weight and lift from the ground to slightly higher than horizontal. The next exercise you can ...

How To: Make healthy and filling school lunches

School lunches are either super oily and disgusting (pizzas with a thick layer of oil on top or double cheeseburgers) or far too healthy for any kid to want to eat (lackluster salads with iceburg lettuce, tomatoes, and ranch). This causes a dilemma for kids who want to eat healthy without sacrificing taste.

How To: Beat the Paging Dr. Joker Challenge in Batman: Arkham Asylum for PS3

Batman: Arkham Asylum was widely considered the game of the year for 2009, and it's popularity has endured largely because of it's many challenges and goals for advanced players to complete. In the PS3 version of the game, there are a number of challenges where they player can take the role of the Joker and cause some of the mayhem that Batman fights so hard to stop. This video will show you how to complete the Paging Dr. Joker challenge as quickly as possible.

How To: Make a delicious and healthy wrap with sprouts

You may think that wraps and sandwiches are pretty much alike, since they contain most of the same ingredients (your choice of meat, cheese, lettuce, tomatoes, onions, and whatever else you like to throw in) and taste mostly the same. The only difference is, of course, the consistency of a flat tortilla and sandwich bread.

How To: Fix Your iPhone 4 Antenna with Scotch Tape

The iPhone 4 is one of the most divisive pieces of consumer electronics ever released. Its defective antenna has ruffled the feathers of even the most diehard Apple enthusiasts. This video will show you how to fix the antennagate issue using only some Scotch tape, which when applied to the proper place, will keep the antenna from grounding itself on the metal piece below, which is what causes the phone to lose signal when you hold it.

How To: Access multiple email accounts with the iOS 4 mail app

With this clip, you'll learn how to use iOS4's built-in email application. Apple's new iOS 4 for the iPhone and iPod Touch brings with it a host of new features. While that's certainly a cause for celebration, there's also, believe it or not, a downside: learning how to take advantage of them. Happily, the web is awash in helpful video tutorials like this one which make the process a pleasure (and a simple one at that).

How To: Use Biped to do motion capture in 3DS Max

Causing World of Warcraft characters to do what you want them to do in your machinima film can be a major challenge. Motion capture is one useful tool that you can use to solve the problem. This video will teach you the basics of using the Biped plugin for 3DS Max to animate WoW characters with motion capture data. Give your models the realistic stride that they've deserved all along.

How To: Protect your non-stick cookware

Non-stick cookware is a great way to cook and not have to deal with foods that stick to regular pans or deal with the cleaning up after cooking. A few rules to keep in mind are to not preheat a non-stick pan and do not use a heat level above medium. If you break or damage the surface of the pan, it could cause more damage than you think. There have been reports where you could develop flu-like symptoms just from cooking with a bad pan.

How To: Defeat Enki and Enlil in Final Fantasy XIII

In this how to video, you will learn how to defeat Enki and Enlil in Final Fantasy XIII. You will need Final Fantasy XIII in order to do this. One of them is weak against water, and the other is weak against lightning. Cast deep protect on your guys first. If you want to fight them both at the same time, use slash and burn. Try to keep your health over 50 percent. Also, watch out for the bellow cast. Keep Vanille as a medic so that your health does not go down too far. If you fight them both ...

How To: Identify willow tree damage caused by a borer

Weeping willows, globe willows, corkscrew willow, cotton wood are all prone to bores than other diseases. They grow in fertile soil with lots of moisture. Never treat tree chemical. Prune as necessary, take out dead diseased limbs, water and fertilize regular. This ensures the tree lasts longer and that the tree is less attractive to insects. Where tomatoes are concerned to avoid sunburn ensure that they are slightly covered with the folding of the plant. High salt level of water or chemicals...

How To: Identify problems with poinsettia, ligustrum & pecans

Some of the new poinsettia plants will continue to "bloom" year round, but others need a little encouragement. The blooming is actually leaves of the plant itself. One way of forcing it to change color is to withhold fertilizer and/or light for a time, then put it back into a sunny location and it will begin to bloom. The video also addresses spots on Ligustrum plants. It has to do with cold weather in the winter and lack of nitrogen. There's not much you can do about winter damage, but ferti...

How To: Prune a peach tree & trim raspberry plants

Curtis Smith, Extension Horticulturist, and Rick Daniel, Bernalillo County Horticulture Agent, demonstrate how to prune a peach tree and trim raspberry plants. If a branch is in the way and causing problems or if it is unhealthy, cut it off at anytime. Cut outside of the bark collar when pruning branches. Make three cuts by first making an undercut on the bottom side so the bark doesn't strip off too far. Put on gloves when working with raspberry bushes. Cut the bushes down to the ground each...

How To: Play the recorder with Mrs. Hill

In this video tutorial, viewers learn how to play a recorder. The mouthpiece of the recorder goes onto your bottom lip and in front of your bottom teeth. Do not bite on it. You rest your mouth on it. Only the tip of the mouthpiece goes in your mouth. When you blow on the recorder, blow with a steady air stream with a small amount of air. Squeaking is caused when you blow too hard and if you finger are not covering the holes completely. This video will benefit those viewers who are interested ...

How To: Wax a snowboard in two minutes

To wax a snowboard you will need an iron, board wax, a flat scraper and a buffer pad. First, use the iron to melt the wax. The iron should be hot enough to cause the wax to quickly drip but not hot enough to produce smoke. Iron the wax onto the snowboard by using small concentric circles to melt the wax evenly. Go over spots several times, if necessary. Be sure to use wax that is appropriate for your riding conditions. Scrape the excess wax off of the board. Use a buffer pad like the rough si...

How To: Stop a horse from walking off when you mount

Rick Gore tells us how to stop a horse from walking off when you mount. The reason why a horse walks off when you mount it, it's because you trained it that way, when you've mounted previously you would allow it to mount off. Also when you mount you cause the horse to lose it's balance, and when a horse loses it's balance, it starts to walk a bit to regain it's balance. To stop a horse to from losing it's balance you should square it up, push the horse a little bit and it's feet will square u...

How To: Teach kids how to kick a soccer ball

When kicking a soccer ball to achieve the best kick you do not want to kick with your toes, you want to kick where your shoe laces are. To kick the ball you don't want your non kicking foot to far behind the ball because this leads to a toe kick. In fact, you want your non kicking foot to be right beside the ball so that when your kicking foot goes to kick the ball it is not a completed kick. This causes the lace part of your shoe to kick the ball. When kicking with the top of your foot it sh...

How To: Understand organic molecules & elimination reaction

This video helps us understand the organic molecules and elimination reaction. Take some sugar in a beaker. Sugar has 12 carbon atoms, 22 hydrogen atoms and 11 atoms of oxygen. The sulphuric acid is poured into the sugar and the color change is observed. The color of the sugar gradually changes into black. The sulphuric acid causes an exothermic reaction which releases a large amount of sulphur dioxide gas. All the water (containing hydrogen and oxygen atoms) is eliminated out of the sugar du...

How To: Do basic sidechaining in Ableton

This video shows how to do audio side chain compression to improve your production audio mix. Side chain compression is an easy way to balance the base and the drums. Using a compressor, you can cause your base to drop in volume when the drums are hitting so that one is not over-powering the other. This video walks you through step by step instructions for configuring your compressor to balance based on threshold level, the attack time, and release time. This is an excellent source of audio p...

How To: Adjust the truss rod on your guitar

The truss rod is a big metal bar that goes through the whole neck on your guitar and is used to control the amount of arch that the neck of your instrument gets. You will want the neck to be essentially straight, with a tiny bit of curve. Lots of things can cause your wood to arc..weather, storage, age.. and the truss rod is used to fix this and keep the neck straight allowing you to play your piece properly. All guitars come with a truss rod and they are easy to adjust if need be. This tutor...

How To: Create window blinds in Photoshop

This video shows you how to create a realistic shadow of window blinds over the picture of a boy in a photograph that had no window blind shadows using Photoshop. Creating a separate layer, he creates shadows first by using the rectangular marquee, then filling in with black and copying the black stripes across the photograph. The opacity is set to 40%. The shadows look like a casting of the shadows of window blinds over the boy, but is not as realistic as he wants them to be. He then makes a...

How To: Varial kickflip on your own skateboard

Remember: a varial kickflip is basically a pop shove-it with a little more ankle action, so set up like you would for a pop shove-it. Hit the tail as you would for a pop shove-it, and as the board starts to snap up, flick your front foot just like a kickflip. That action will cause the board to flip while the shove-it action from your back foot will make the board turn 180 degrees below you. Don't flick the flip too hard or it will flip away from you like a crazy 4th of July firework. Let the...