If you took all of the imaginable tones that a human can hear and combined them together, you would have white noise. This phenomenon gets its name from white light -- what do the two have in common?
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Iran has announced its activation of a second set of uranium centrifuges. These machines are at the core of the uranium-enrichment process. Find out where the centrifuge fits into the equation.
Did you know the sun is highly magnetic? Or that you can create a power propulsion system using magnets? Learn all about magnetism in these videos.