A Moment of Science
In order to point at the poles your arms must not only point northward and southward, but downward.
Have you ever wondered why the magnetic fields change places?
Did you know that years and years ago the magnetic poles switched places?
Ever wonder what penguins do all day? Learn more on this Moment of Science.
We will answer that question, with a question. How fast does the earth turn?
You’re a polar explorer and you’ve just reached the north pole. The huskies are yapping, the cameras are ready and you’re just about to unfurl the flag when, all of a sudden, the north pole becomes the south pole. Imagine your chagrin. Okay, so it doesn’t really happen that fast, but it’s true that in the past the earth’s magnetic poles have switched places. In fact, it seems to happen roughly every 250,000 years or so. How do we know this? Learn more on this Moment of Science.
The neatest new idea for a telescope is a deep hole in the pole. Learn about the AMANDA II on this Moment of Science.
Ever wonder which Pole is colder? Find out on this Moment of Science.
Ever wonder what the coldest spot on earth is? Find out on this Moment of Science.
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