Learn how to make hydrogen with some household chemicals and items. This experiment is dangerous, so please exercise caution.
Learn how to light some hydrogen oxygen gas in the top of a milk jug with some aquarium hose run to it in order to create a small bolt of ...more
Watch to learn how to stand on several balloons without popping a single one. All you need is balloons, duct tape, and a flat-bottomed ...more
Learn how to perform this Valentine's Day-themed experiment, a variation on the basic Jacob's Ladder experiment. Fire is involved, so be ...more
Shopdropping is a tactic used by artists and activists to clandestinely place altered or recreated objects into retail stores. Handmade ...more
Have you ever been so upset at your TV or computer that you wanted to shoot it? Watch this HowStuffWorks video and learn what would happen ...more
If you put mothballs in a solution of vinegar and baking powder, the balls will collect air bubbles; then after they cause the balls to rise ...more
If you connect either cable of an extension cord to two forks and insert those forks onto either end of a pickle, then plug that extension ...more
Learn a trick to multiply medium numbers (12-100) by 11.
Watch to learn what makes a juror effective in the British justice system.
Learn how to turn cotton balls into smokeless gunpowder with high school chemistry teacher Chris Schrempp.
Watch to learn how to pronounce some English words that have similar vowel sounds but different meanings like stuff - staff, hair - her, cut ...more
Watch this video to learn about social collaboration and how to collaborate with others on Internet projects.
Watch to learn how to use graphs to help analyze sine, cosine, and tangent functions in trigonometry.
This video explains and provides examples for the law of tangents, a law occasionally used in trigonometry.
Continuing with the trigonometry series, this lecture focuses on cosine and arc cosine.
An introduction the trigonometry series with a primer of basic concepts.
An introduction to three-dimensional geometry types and working with them. This video is very detailed and good for people who have never ...more
An intro to many of the key concepts for working with and solving circles. Circles are more complicated than polygons concerning their ...more
Introduction to the concept of multi-sided geometry and some of the different types. This very detailed video is informative and helpful ...more