How Does A Regular Lamp (light bulb) Work?
20 Mar 2008 A normal incandescent lamp contains a double-wound tungsten filament inside a gas-filled glass bulb. By "double-wound", ..- 138
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Why Does An Object Like Metal Give Off Light When It Is Heated?
20 Mar 2008 All objects emit thermal radiation--electromagnetic waves that are associated with the transfer of heat. That's because ..- 126
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Humans As Robot
13 Mar 2008 Human intelligence relies on a wealth of commonsense acquired from a lifetime of experience. In order to achieve the lon..- 131
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Ultra Violet Light Rays
07 Mar 2008 The German physicist Johann Wilhelm Ritter, in 1801, found that there exist invisible rays beyond the violet end of the ..- 141
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Dangers Of The Sun
07 Mar 2008 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...- 139
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The Electromagnetic Spectrum
07 Mar 2008 The electromagnetic spectrum is more familiar to you than you might think. The microwave you use to heat your food and t..- 124
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What Is Biology
07 Mar 2008 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..- 128
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Adjustable Air Supply Valve Of Air Cushion Bed
05 Mar 2008 An adjustable air supply valve of an air cushion bed is disclosed, the air supply valve has an air supply valve installe..- 130
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Sound Formation In The Human Ears
03 Mar 2008 Sound surrounds us all the time. You may awaken in the morning to the sound of an alarm clock or Dad snoring. During t..- 120
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Experiment For Determng How Sound Is Formed
03 Mar 2008 In this experiment, we'll demonstrate how this phenomena occurs. Using nothing more than marbles, we'll see how a sound..- 129
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Device Uses Waves To “print” On Water Surface
03 Mar 2008 Researchers at Akishima Laboratories (Mitsui Zosen), working in conjunction with professor Shigeru Naito of Osaka Univer..- 138
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Waves And Wavelike Motion
03 Mar 2008 Waves are everywhere. Whether we recognize it or not, we encounter waves on a daily basis. Sound waves, visible light wa..- 141
