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What's the difference between backscatter machines and millimeter wave scanners?
science.howstuffworks.com/backscatter-machines-vs-millimeter-wave-scanners.htm
Nope, these advanced imaging technologies are not the same. So whether you're concerned about privacy, safety or time as you're shuffling through the airport security line, we can tell you how these two types of scanners stack up against each other.
Tidal Bores Are Rare, Fast and Have Epic Waves
science.howstuffworks.com/environmental/earth/oceanography/tidal-bores-fast-rare-epic-waves.htm
The rare phenomenon of tidal bores happens in only a few places on the globe. HowStuffWorks looks at the conditions it takes for bore tides to occur.
Gravitational Waves! Or the Chirps That Prove Einstein Was Right
We've observed gravitational waves, thanks to two black holes colliding and two interferometers. Learn about gravitational waves at HowStuffWorks Now.
Why are the waves on the U.S. West Coast larger than the waves on the East Coast?
science.howstuffworks.com/environmental/earth/question623.htm
West coast waves in the U.S. are larger than those on the east coast. Find out why west coast waves are larger than east coast waves in this article.
Do certain radio wave frequencies (like those used by cell phones) pose health risks?
electronics.howstuffworks.com/question4.htm
Do certain radio wave frequencies pose health risks? If so, is it safe to live within a quarter mile of a cellular phone tower or a radio antenna?
Understanding Sound Waves and How They Work
science.howstuffworks.com/sound-info.htm
When sound waves strike the ear, these waves produce the sensation of sound. Let's take a look at how sound waves work.
Square Waves in Ocean Settings Are Rare But Dangerous
science.howstuffworks.com/environmental/earth/oceanography/cross-seas.htm
Square waves also called Cross-sea waves may looks super cool. But you never want to get caught up in the grid-patterned waves they generate.
Bambino Cat: The Munchkin-Sphynx Hybrid Making Waves
animals.howstuffworks.com/pets/bambino-cat.htm
Think of a cat with a wrinkly, hairless body and short, stubby legs. Now picture it bouncing around like a curious little gremlin. That peculiar feline is the Bambino cat, a breed that's drawing both fans and critics for its one-of-a-kind looks and big personality.
'Cocaine Sharks' Make Waves Off Coast of Brazil
animals.howstuffworks.com/fish/sharks/cocaine-sharks.htm
Ever wondered what sharks might find in their waters besides fish? Turns out, some Brazilian sharpnose sharks (Rhizoprionodon lalandii) have been swimming in some rather strange seas - ones laced with cocaine.
Frequency Formula Basics: 2 Ways to Calculate Frequency
science.howstuffworks.com/math-concepts/frequency-formula.htm
Frequency is a fundamental concept when you're talking about waves, whether that means electromagnetic waves like radio waves and visible light, or mechanical vibrations like sound waves.