Education: Page 49

Having problems with cubes. For some people, mathematics doesn't come easy, but there are tricks to solving certain problems, like squares and cubes. Check out this math video tutorial to learn how to get cubes in math with mysterious Vedic methods.

Having problems with subtraction. For some people, mathematics doesn't come easy, but there are tricks to solving certain problems, like subtraction. Check out this math video tutorial to learn how to perform mental subtraction for math class.

Watch this video tutorial to learn how to calculate your carbon footprint. A carbon footprint is an equation that estimates just how much you, personally, are contributing to global warming—and all you have to do is plug some info into an online calculator. Figuring out how to make your footprint smaller, of course, is another matter.

Watch this science video tutorial from Nurd Rage on how to make fire 4 ways without matches by using chemistry, without matches or lighters.

How to make TCPO or bis(2,4,6-trichlorophenyl) oxalate, used in glow stick reactions.

Calculus can be a bit tricky, but don't worry, Watch Math is here to help you out. Watch this math video lesson to learn how to solve quadratic inequalities in calculus. There's no better way to learn mathematics than from an advanced mathematician, like this PhD.

Lying on a bed of nails...It's a science trick we've all seen in the movies and according to science guy Jason Lindsey it can be done if you use science. This uses balloons to demonstrate how someone can lay on nails and not be a bloody mess.

Can you float a ping pong ball in mid air? According to Outreach Science Educator Jason Lindsey you can and all you need is a hair dryer. This is a great way to demonstrate wind and gravity with household objects.

Watch this science video tutorial from Nurd Rage on how to test if a fertilizer has nitrates rather than urea or ammonia as its nitrogen source.

Eggs aren't just for eating! Did you know you can do some cool science experiments with eggs? Get a naked egg by leaving it in vinegar. Need to know if your egg is cooked? Spin it!

From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. This is Mathematics for Dummies. Just watch this video tutorial to learn how to connect slopes and derivatives, For Dummies.

From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. This is Mathematics for Dummies. Just watch this video tutorial to learn how to find approximate area using sigma notation, For Dummies.

From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. This is Mathematics for Dummies. Just watch this video tutorial to learn how to integrate by parts, For Dummies.

From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. This is Mathematics for Dummies. Just watch this video tutorial to learn how to find the volume of a solid with a circular cross-section, For Dummies.

When I was a kid, the 4th of July was my favorite holiday for one simple reason...the joy of making things go BOOM! Somewhere along the line that fun was taken away by politicians. It's time to put the fun back in celebrating freedom. From your friends at America's favorite podcast, Anarchy-X.

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.

Watch this science video tutorial from Nurd Rage on how to make iodine from sulfuric acid and alkali metal iodide. This is the best way to make elemental iodine from sulfuric acid and sodium or potassium iodide.

Chemguy AKA Rob reviews the various diagrams in organic chemistry. This is a 16 part series from this Canadian high school Chemistry teacher.

Watch this science video tutorial from Nurd Rage on how to make a chemiluminescent reaction with home chemicals. Make a chemiluminescent singlet oxygen red light pulse from two simple chemicals almost anyone can buy: pool chlorine and hydrogen peroxide.

Watch this science video tutorial from Nurd Rage on how to make a complete refillable glow stick. You can make this complete and refillable glow stick with a steampunk-style to it.

Watch this science video tutorial from Nurd Rage on how to make silver different colors by electrochemical anodizing. Without using paint, you can give a silver surface various colors by anodizing it.

Watch this science video tutorial from Nurd Rage on how to make silver nitrate from silver and nitric acid. They show the chemistry of making this cool chemistry, colorless solid.

Watch this science video tutorial from Nurd Rage on how to make a mirror silvering solution from silver nitrate, ammonia, sugar, and sodium hydroxide.

In this scientific video tutorial, undergraduate students in a forensic chemistry lab demonstrate a forensic DNA test to catch a criminal. Learn how to perform a forensic DNA test! Just like in CSI.

In this scientific video tutorial, undergraduate students in a forensic chemistry lab demonstrate how to use a comparison microscope for bullet and bullet casing comparisons, and color developments tests for impression marking enhancement (such as for filed-off serial numbers). Learn how to perform ballistics comparisons! Just like in CSI.

In this scientific video tutorial, undergraduate students in a forensic chemistry lab demonstrate how to develop fingerprints using a variety of methods: Cyanoacrylate (superglue) fuming, dusting, and iodine fuming. Learn how to dust for fingerprints, just like on CSI.

The economy is down, so what's one way you can save money? Build a vertical axis wind turbine! This eco-friendly four-part video tutorial will show you just how to make one so you can save money. These are detailed steps for making the vertical axis wind turbine. The blades can be easily interchanged offering different shapes and materials to experiment with. This design can create turbines up to 90 inches in diameter and up to 15 feet tall.

Ever wonder what happens to a penny when an electrical charge is applied to it? Well, you'll find out in this science lesson that shows you how to dissolve a penny with a power adapter.

Thanks to the Freedom of Information and Privacy acts, we're all entitled to see what the FBI has on us. Learn how to get your hands on your FBI file.

This is a handy math trick that show you how to turn a multiplication problem into a sum problem. An unusual way to perform a multiplication. You only need to be able to sum, halve and double numbers. It is not efficient, but it is rather intriguing and fun.

How to make a cornstarch monster in your own home. This non Newtonian fluid will dance on a speaker, creating wild little monsters. The goopy liquid should then be dumped into the speaker head. The wave form you need is a pure Sin wave at 120 hertz.

Watch this science video tutorial from Nurd Rage on how to make a glow stick reaction with real chemicals.

Where do you go? How do you know how to look for fossils? How about dinosaur fossils? That's a very good question, and the Museum of the Rockies has the answer, along with Mark B. Goodwin, Ph.D., Assistant Director of the Museum of Paleontology at the University of California, Berkeley.

This science experiment will show you how to make a storm inside a test tube. This video tutorial will demonstrate the process of making the miniature thunderstorm inside a test tube with just a few common chemicals. All you need for your very own thunder storm is a glass test tube with holder, sulfuric acid, ethyl alcohol (ethanol), potassium permanganate, glass dropper, measuring spoon, and please wear safety goggles. Sparks and pops occur completely random, just like in a real...

This science experiment will show you how to turn a penny into gold with common chemicals. This video tutorial will demonstrate turning the copper penny into a silver penny and into a gold cent. All you need to make gold pennies is sodium hydroxide (also known as lye), zinc powder, a small glass beaker with some distilled water in it, a clean copper penny, a couple of measuring spoons, and a glass stirring rod.

Try out this science experiment... watch this video tutorial to learn how to make a simple rocket with film canisters. This is purely educational, and demonstrates the reaction of an Alka-Seltzer tablet, toilet paper, and water. If you don't have Alka-Seltzer, you can substitute it with baking soda, then substitute the water with vinegar.

Try out this science experiment... watch this video tutorial to learn how to illustrate the scientific concept of conservation of mass. This is purely educational, and not as exciting as some other demonstrations, but this does clearly illustrate the concept of conservation of mass.

Try out this science experiment... a classy chemical demonstration. Watch this video tutorial to learn how to make a foamy elephant toothpaste chemical reaction. There's a reason why they call this elephants toothpaste.

Make a Tesla turbine blade out of CDs. This i a super cool, high tech science project from Green Power Science. Turn your junk CDs into something very interesting.

Look, what candle can be made of a peanut and a potato. Make a flaming candle with a peanut and a potato. This is a neat survivalists' trick.