Ever wonder how the utility company calculates your electricity usage? This clip from The Science Channel's, "Deconstructed," explains why it all boils down to electromagnetism.
Find out how the hand truck's lever system can increase your strength seventy five times over on this clip from The Science Channel's, "Deconstructed."
This clip from The Science Channel's, "How It's Made," doesn't need mercury to reach the boiling point. Find out how modern day thermometers maintain the correct temperature using a surprising manufacturing technique.