Patterns of Light: Chasing the Spectrum from Aristotle to LEDs

Voorkant
Springer Science & Business Media, 23 okt. 2007 - 196 pagina's
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Light is all around us. Vision is our dominant sense, and we are richly rewarded with a palette of colors from red to violet. Our eyes do not detect the l- energy, long-wavelength infrared (IR) radiation, but we know it exists from d- cussions of war applications and televised images of guided weapons targets. Our eyes do not detect the higher-energy (above visible light energies) and shorter-than-visible-wavelength ultraviolet radiation, and yet we know it is there from the sunburn we receive in Arizona. We also know that window glass can block ultraviolet rays so we don’t get a burn while driving with the windows rolled up. We know about radio waves from the little boxes that talk to us and x-rays from the dentist office. These waves and rays belong to the same family of light, often called photons (from the Greek photos, light), that describes the spectra of electromagnetic radiation over 10 orders of magnitude from very low-energy - dio waves to very high-energy x-rays and gamma rays.
 

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Inhoudsopgave

The Path of Light
1
The Reflection of Light
13
Light Captured
25
The Refraction of Light
33
From Water Drops to Telescopes 49
48
Sources of Light and Color
75
Diffraction and Interference
91
Rainbows
103
Sea Sky and Cloud 115
114
Polarized Light and Sunglasses
131
Photons Electrons and the Atom
139
Appendix
165
References
185
Copyright

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Pagina vii - One impulse from a vernal wood May teach you more of man, Of moral evil and of good Than all the sages can.

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