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How Opposed Piston Opposed Cylinder (OPOC) Engines Work
auto.howstuffworks.com/opposed-piston-opposed-cylinder-engine.htm
What are the advantages and disadvantages of opposed piston opposed cylinder engines? Read about OPOC engines at HowStuffWorks.
How Instant Film Works
science.howstuffworks.com/innovation/everyday-innovations/instant-film.htm
Before digital cameras, you needed instant film to get instant pictures. With instant-film photography, you can watch the image slowly come together in a matter of minutes. While it seems like magic, the process relies on elements of science. Find ou
How Rainbows Work
science.howstuffworks.com/nature/climate-weather/storms/rainbow.htm
Rainbows are one of nature's most beautiful effects. Have you ever wondered how the colors end up in seemingly perfect bands? And, what about double rainbows -- how does that happen? Find out how rain and sun can align to put color in the sky.
How An Oscillator Works
electronics.howstuffworks.com/oscillator.htm
Oscillators show up in lots of electronic equipment. In fact, you might be surprised to know that computers, radios, metal detectors, and stun guns all use oscillators. Read on to learn how an oscillator works!
How Bearings Work
science.howstuffworks.com/transport/engines-equipment/bearing.htm
Bearings are the invisible heroes inside many mechanical devices. Learn about all different kinds of bearings, including 5-foot ball bearings that keep buildings on solid footing.
Why Are Moose Dangerous, Even More Threatening Than Bears?
animals.howstuffworks.com/animal-facts/dangerous-moose.htm
Most people are more afraid of bears in the wild than moose. But, in Alaska, you're more likely to be injured by a moose than a bear. Find out why.
Do hummingbirds have sex in midair?
animals.howstuffworks.com/birds/hummingbird-sex.htm
Do hummingbirds have sex in midair? Learn about the amazing hummingbird and find out if they really have to hover all of the time.
How do gazelles use body language?
animals.howstuffworks.com/mammals/gazelle-body-language.htm
Gazelle body language includes jumping, with legs held stiff, in the face of an approaching predator. Learn the nuances of gazelle body language.
How to Tile a Ceiling
home.howstuffworks.com/home-improvement/repair/how-to-tile-a-ceiling.htm
The fastest way to get a new ceiling is to install ceiling tiles directly to an existing drywall ceiling. If the ceiling surface isn't sound or has open joists, staple the tiles to furring strips. Here are extensive installation instructions.
What's the difference between dead weight and towed weight?
auto.howstuffworks.com/auto-parts/towing/vehicle-towing/maneuvers/dead-weight-towed-weight.htm
What's the difference between dead weight and towed weight? Take a look at your trailer hitch and learn more about the difference between dead weight and towed weight here.