Why does the light of a searchlight seem to stop? Neil deGrasse Tyson and Chuck Nice break down how sci-fi gets lasers wrong, the “Butter Gun Experiment,” and the inverse square law of light.
Timestamps:
00:00 - Searchlights
00:52 - Where Does the Light Stop?
02:48 - Why Can You See the Light in the First Place?
04:45 - Inverse Square Law of Light
07:17 - Looking at a Column form the Side
09:23 - A Message About Aliens
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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!
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