Cool Science Monday: Lode-Stone

By Ian Hoover- 21Alive
By Daniel Leeper- 21Alive

August 4, 2014 Updated Aug 4, 2014 at 3:53 PM EDT

Have you ever heard of the "lode-stone rock?" or maybe what a loadstone was used for in the middle ages?

Science Central's Martin Fisher has all the details in this week's "Cool Science Monday."

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