Magically get a hardboiled egg into (and out of) a bottle, make a star using toothpicks and challenge someone in a brain teaser using wooden matches. Mr. G demonstrates how in this video tutorial and, ...
Make lightning and generate tens of thousands of volts in your own kitchen at home using ordinary household objects! Mr. G demonstrates the amazing Triboelectric Effect and explains the electron excha ...
CalTech's Kenneth Libbrecht reveals the sublime beauty of snow crystals when photographed with a specially designed snowflake photomicroscope. The physicist is author of the Field Guide to Snowflakes ...
Umbra, penumbra. Not exactly abracadabra, but if you've taken an astronomy class, you know exactly what the umbra and penumbra are. And any Earthling would agree that the umbra is the best place to b ...
Why does the world work the way it does? Linda Dong takes basic scientific principles and translates them into beautifully simple, explanatory images. The narrower the light source, the more sharp an ...
Arvind Gupta is an Indian educator and inventor who makes whimsical, elegant toys from simple and inexpensive materials. His site has hundreds of free project tutorials, with simply outlined instructi ...
The Geminid meteor shower 2010 is tonight, climaxing sometime between midnight and dawn Tuesday. Usually, the Geminid meteor showers in December are awesome spectacles, one of the most intense meteor ...
If you ever had a cool high school chemistry teacher, they probably demonstrated for you how dry ice can freeze everyday objects. But oh, it can do so much more and freeze so many more interesting thi ...
Does size matter? When it comes to optical illusions, it does. The size of a human brain's visual cortex determines how he or she sees the world, meaning not everybody observes optical illusions in th ...
Move over NASA— SpaceX is taking over. Well, not really. But today, the privately funded spacecraft company broke all expectations when their Dragon capsule fell to a soft landing in the Pacific Ocea ...