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Why do you hear some radio stations better at night than in the day?

electronics.howstuffworks.com/question1.htm

Have you ever noticed a difference in the quality of radio signals depending on the time of day? See how radio signals and the Earth interact.

How do touch-screen monitors know where you're touching?

computer.howstuffworks.com/question716.htm

There are three basic systems that are used to recognize a person's touch. Learn how touch-screen monitors work.

How Sound Cards Work

computer.howstuffworks.com/sound-card.htm

Before the invention of the sound card, a PC could make one sound -- a beep. Sound cards truly ushered PCs into the world of multimedia. Learn how a sound card allows a computer to create and record real, high-quality sound.

What Is An Inverter? Explaining DC/AC Power Supplies

electronics.howstuffworks.com/gadgets/automotive/dc-ac-power-inverter.htm

You may have heard about DC/AC power inverters, but do you really know what these useful gadgets can do? Learn about DC/AC power inverters at HowStuffWorks.

How Ocean Currents Work

science.howstuffworks.com/environmental/earth/oceanography/ocean-current.htm

Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling.

What's a voice coil on a speaker?

electronics.howstuffworks.com/voice-coil-speaker.htm

A voice coil is an electromagnet. Learn how a voice coil works on a speaker in this article.

Which Cruise Line Best Fits Your Personality?

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Tropical drink in hand? Check. Fine dining options? Check. Wave machine on deck? Check. It's easy to be a passenger on cruise. The hard part is finding one that's a perfect fit for your personality!

If You Weren't a Human, What Animal Would You Be?

play.howstuffworks.com/quiz/if-you-werent-a-human-what-animal-would-you-be

If you think that being a human is boring, then we've got a fun surprise for you! We're about to wave our magic wand and transform you into an awesome animal with this animalistic personality quiz!

Does tinfoil on your hubcaps bypass police radar?

auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/does-tinfoil-on-hubcaps-bypass-police-radar.htm

Metal is super reflective, but it might not reflect a stop by the police. Learn if tinfoil on your hubcaps helps bypass police radar at HowStuffWorks.

The 10 Most Legitimate Cases of U.F.O. Sightings

science.howstuffworks.com/space/aliens-ufos/the-10-most-legitimate-cases-of-u-f-o-sightings.htm

History doesn't believe or disbelieve in UFOs. There are a handful of UFO sightings documented by Roman historians from around 2,000 years ago, but they seem about as credible as the existence of Zeus. More than 95 percent of all UFO sightings can be easily dismissed as military aircraft, stars, planets, meteors, flares, weather balloons [...] The post The 10 Most Legitimate Cases of U.F.O. Sightings appeared first on Goliath.

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