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Which best describes the essential components of a laser? (20 points)

	battery, magic, heat
	bulb, lens, aperature
	energy source, gain medium, and resonant cavity
	electricity, pump, lens
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written by sam • topics: science block unblock • Technology block unblock • laser block unblock • physics block unblock • quantum mechanics block unblock

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What is a maser? (20 points)

	a taser that kills
	like a laser, but with microwaves
	a fast, fast car
	an ancient weapon
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written by sam • topics: science block unblock • physics block unblock • laser block unblock • quantum mechanics block unblock • general block unblock and 1 more » • Technology

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What describes how ceiling star stickers glow in the dark? (30 points)

	bioluminescence
	phosphorescence
	fluorescence
	chemiluminescence
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written by sam • topics: science block unblock • pop culture block unblock • physics block unblock • physical chemistry block unblock • quantum mechanics block unblock and 3 more » • light • spectroscopy • nature

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What property of the Casimir effect may have an application in creating artificial worm holes? (30 points)

	infinite energy/mass
	Bends space time
	Negative energy/mass
	Slows down time
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written by freedom geek • topics: science block unblock • physics block unblock • quantum mechanics block unblock • wormholes block unblock • casimir effect block unblock

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