Topics:
1.) Discuss why animal eyes glow green when illuminated at night. What causes “red – eye” in flash pictures?
2.) Is blue sky polarized, is the sun polarized? Blue light reflected from a glass table polarized? Why do some sunglasses block glare of off water and others do not? What other applications are there for polarizers?
3.) Discuss Chromatic aberration in a lens.
4.) Why does a blue sky have white clouds? Why do the clouds appear red at sunset. What is the “Green Flash seen in some sunsets in Hawaii?
5) IR and UV – Compare IR and UV traversing air in terms of velocity,
wavelength, and energy. Also include some uses for IR and UV that you have researched.
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