Speed | A Moment of Science - Indiana Public Media

January 25, 2010

Playing Baseball And Learning To Catch

Ever wonder how baseball players react in time to catch a line drive traveling ninety miles an hour? Find out how they do it on this Moment of Science.

January 2, 2006

Zoom!

You’re out on a clear, starry night with your best friend, looking for shooting stars. Look, there’s one, your friend shouts, but by the time you look, it’s gone. There’s another, she cries. Too late, you missed it. Then one comes along that seems to just amble across the sky, nice and slow. Why is it that some shooting stars are so fast and others are much slower? Learn more on this Moment of Science.

December 26, 2005

Race for the cure participants walk and run down a city street.

Running Vs. Walking: Which Is Better For You?

Is it true that running a mile and walking a mile burn about the same number of calories?

November 23, 2005

Haul Me Up or Haul You Down?

We’ve been imagining that we’re sitting in a geostationary satellite. That’s a satellite that orbits the equator at the same speed and direction as the earth turns. That means it’s always over the same spot of land, as if it were floating in the sky 22,500 miles up. We let down a rope to pull up some supplies. Will this work? Learn more on this Moment of Science.

November 23, 2005

Rope Me Up, Scotty

A geostationary satellite orbits the equator in the same direction and speed the earth turns. That means the satellite stays stationary with respect to the ground. It seems to be hanging in mid-air, if by mid-air, you mean 22,500 miles high. Learn more on this Moment of Science.