Dispatching a sundial to Mars - Bill Nye
May 21, 2026•11 min
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Episode description
View full lesson: http://ed.ted.com/lessons/sending-a-sundial-to-mars-bill-nye
Bill Nye, otherwise known as The Science Guy, inherited his father's fascination with sundials. And so he campaigned to have sundials aboard the Spirit and Opportunity Mars exploration rovers. A look at how a small device reveals big implications as to our place in space.
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