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How Dry Cleaning Works (1:32)
Dry cleaning is an amazing technology, but do you know what actually happens behind the counter? Find out how dry cleaning works in this HowStuffWorks Video.
How Fireworks Work (1:18)
Fireworks have a special and beautiful magic all their own. Watch this HowStuffWorks video to learn how they make such incredible colors and designs.
How Sunglasses Work (1:08)
Sunglasses can be a fashion statement and a key ingredient to protecting yourself from the sun's harmful ultraviolet rays. So put on some shades and watch this video from HowStuffWorks to see how sunglasses work.
How Kryptos Works (2:49)
Kryptos is a sculpture installed at the CIA complex in Washington, D.C. On it is one of the most famous unsolved codes. Learn about Kryptos and code breaking in this video from HowStuffWorks. Photographs courtesy of the CIA and Elonka Dunin.
The Science of High Heeled Shoes (1:36)
Watch this video about the science of shoes on HowStuffWorks. Every year in the U.S. more than 200 million pairs of heels an inch or higher are sold, with another estimated 600 million pairs in closets, and these numbers are sure to grow because a... More »
