TED-Ed

Sending a sundial to Mars - Bill Nye (2012x65)

Ημερομηνία προβολής: Οκτ 16, 2012

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.