What is the butterfly effect? The Real Butterfly Effect -- Imagine this scenario, a butterfly flutters its wings in Brazil, and it sets off a cascade of events over the course of time, which results in the...

Tesla imagined impossible technologies more than a hundred years ago. He and Thomas Edison have arguably had more of an impact on modern technology than any other scientists.



Tesla’s biggest...

In quantum mechanics, it’s just as natural to go forward in time as going backwards. And if you look at a typical Feynman diagram, you can turn the diagram either way. Where does this transition from time symmetry...

Chagall combined abstract and figurative painting to create a dreamlike memory of the village where he grew up.

Howcast - Relax, tune out, lie back, and become one with everything in the zone. This isn’t just for hippies – roll with the punches and let it be.

Howcast - Learn signal flow in this Howcast DJ video with Rock and Soul DJ School.

Howcast - Learn how to beatbox while rapping in this Howcast video with expert Beatboxer Entertainment.

Howcast - Learn how to show movement in a drawing from professional artist Kevin Kobasic in this illustration and drawing tips video from Howcast.

Howcast - Learn what can interfere with the soldering process in this Howcast video with expert Jeff Koskulics.

Howcast - Beat level 1-4 "Go With the Flow" with this online demo of Rayman Origins, the side-scrolling platformer from Ubisoft Montpellier.

Howcast - Learn how to treat a leaking heart valve from Dr. Dennis Finkielstein in this Howcast video.

Howcast - Typically taught during the elementary school years, cursive writing builds on the letter formation of block letters or printing. The pencil doesn’t leave the paper in cursive writing and letters flow together.

Howcast -If you're feeling stretched thin or run down from work, find ways to rejuvenate your body and mind for happiness and health.

Howcast -Find out if insurance will cover your nose job if you have breathing problems in this Howcast video featuring plastic surgeon Robert J. Morin, M.D..

Howcast -Learn how to mix foundation to use with an airbrush in this Howcast video featuring Dinair Airbrush Makeup System instructor Julie Tobias.

Howcast - Learn about drawing lace in a fashion sketch from fashion designer Garo Sparo in this Howcast video.

The Aries man or woman can be tough to figure out, but we're going to tell you how to push all the right buttons.

A water purifier is a great way to get pure drinking water, and save money on bottled water all at the same time.

Sometimes your old shower head just doesn't cut it anymore. Don't fret, installing a new one is a simple task.

Put your ballpoint pen to shame with these tips.

If you wanna freestyle, you gotta have flow. Underground or mainstream, here are tips to know.

Howcast -Learn how to master the basics of water in Minecraft with this Minecraft tutorial.

If you're a beginner who wants to grow plants indoors year-round, learn how to buy the right hydroponic gardening supplies.

Many Chinese superstitions date to ancient times. Here are a few that are still widely known.