Science & Tech
5
In 1926, instruments at this location reflected light to Mount Wilson, 82 miles northwest, as part of a series of experiments by Nobel Prize-winning scientist Dr. Albert A. Michelson to refine the value of the speed of light. Although smoke generated in the valley below prevented measurements from being taken, the effort encouraged Dr. Michelson to devise more accurate means of measuring the speed of light.
Hear stories like this as you drive
ExploreHere reads historical markers out loud as you pass them: over 325,000 stories across the US. No account needed.
4.7 · 800+ ratings · Free
FIND IT
Idyllwild-Pine Cove, California · United States
