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Why Does An Object Like Metal Give Off Light When It Is Heated?

All objects emit thermal radiation--electromagnetic waves that are associated with the transfer of heat. That's because ..
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Muscles And Bones

The skeleton and muscles function together as the musculoskeletal system. This system (often treated as two separate sys..
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Humans As Robot

Human intelligence relies on a wealth of commonsense acquired from a lifetime of experience. In order to achieve the lon..
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The Electromagnetic Spectrum

The electromagnetic spectrum is more familiar to you than you might think. The microwave you use to heat your food and t..
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What Is Biology

What is biology? Simply put, it is the study of life -- life in all of its grandeur. From the very small algae to the ve..
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Ultra Violet Light Rays

The German physicist Johann Wilhelm Ritter, in 1801, found that there exist invisible rays beyond the violet end of the ..
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Dangers Of The Sun

Do you like sun tanning? And how often do you do it? Whenever passing by a pool or some grass, I can see people tanning...
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Adjustable Air Supply Valve Of Air Cushion Bed

An adjustable air supply valve of an air cushion bed is disclosed, the air supply valve has an air supply valve installe..
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Waves And Wavelike Motion

Waves are everywhere. Whether we recognize it or not, we encounter waves on a daily basis. Sound waves, visible light wa..
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Sound Formation In The Human Ears

Sound surrounds us all the time. You may awaken in the morning to the sound of an alarm clock or Dad snoring. During t..
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Experiment For Determng How Sound Is Formed

In this experiment, we'll demonstrate how this phenomena occurs. Using nothing more than marbles, we'll see how a sound..
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Device Uses Waves To “print” On Water Surface

Researchers at Akishima Laboratories (Mitsui Zosen), working in conjunction with professor Shigeru Naito of Osaka Univer..
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