WHAT'S INSIDE: PHYSICAL SCIENCE

Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.
  • Acoustics
  • Chemistry
  • Electricity
  • Forensic Science
  • History of Physical Science
  • Magnetism
  • Matter
  • Mechanics
  • Nuclear Science
  • Optics

FEATURED: PHYSICAL SCIENCE

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Radiation sickness is a horrible way to die, but fortunately it's pretty rare to encounter enough radiation to suffer from it. It has been the cause of some of the more bizarre incidents in history since we began studying and using radioactive materials.

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How Luminol Works

Have you seen investigators on crime shows who spray some stuff on a "clean" carpet and suddenly -- blood stains! Well, of all the fictional technology on TV, it turns out this stuff is real! Find out how luminol reveals the blood.

How Nuclear Radiation Works

Nuclear radiation can be extremely beneficial or extremely harmful -- it all depends on how it's used. Learn what nuclear radiation is all about.

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