Search Results | hear

Your search for "hear" returned 2,778 results

Can two cans and a string really be used to talk over a distance?

science.howstuffworks.com/question410.htm

I was watching an old movie today, and two kids (neighbors) were talking to each other using two tin cans and a string. Does that really work? If so, why does it work?

How Underwater Sound Systems Work

electronics.howstuffworks.com/gadgets/audio-music/underwater-sound-systems.htm

n underwater sound system could get you doing the electric boogaloo on land and in water. Learn how underwater sound systems work.

What Is Radar?

science.howstuffworks.com/radar.htm

Radar is used to track storms, planes, and weapons and also to create topographic maps. Learn about radar, radar technology and Doppler shift.

Do Plants Feel Pain? A Primer on Plant Neurobiology

science.howstuffworks.com/life/botany/plants-feel-pain.htm

Though they may be stuck in one place, plants have proven to possess a surprising array of capabilities. But the ability to feel pain? Scientists are learning that the possibility isn't as crazy as it sounds.

9 Home Remedies for Ringing in the Ears

health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-ringing-in-the-ears.htm

Our home remedies for ringing in the ears can help people escape those sounds inside their heads.

How to Tell Someone They Talk Too Loudly

people.howstuffworks.com/how-to-tell-someone-talk-too-loudly.htm

What should you do if you are around a loud talker? Learn how to tell someone they talk too loudly at HowStuffWorks.

How to Expunge a Felony From Your Record

money.howstuffworks.com/how-to-expunge-a-felony-from-your-record.htm

Learn about how to expunge a felony from your record in this article. Visit HowStuffWorks.com to learn how to expunge a felony from your record.

Alertness in the Womb

health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fetal-development/alertness-in-the-womb.htm

A fetus's alertness in the womb may surprise you. Learn about alertness in the womb at Discovery Health.

Gadget Savvy: Batteries Quiz

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You can find batteries under the hood of your car, inside a TV remote -- even within hearing aids. Batteries were invented nearly two centuries ago, and they keep getting more sophisticated. But how well do you know what's at work inside these cans of chemicals?

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