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
  • Math Concepts
  • Matter
  • Mechanics
  • Nuclear Science
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Have you ever wondered how a cup of detergent cleans soiled jeans, towels, socks, and other articles in your wash, or how cleaning fluid at the dry cleaner whisks away that grease stain from your suit? And why are hair spray,vinegar, club soda, and baking soda surprisingly effective dirt and stain removers in an emergency? The answers lie both in the chemical properties of various types of dirt and stains and in the ways that the cleaning agents chemically interact with them.

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First there was Volvo. Then came IKEA. Well get ready for the next major Swedish export: snus, a smokeless tobacco product, similar to dip or chew.

How Body Farms Work

Imagine walking through a field and stumbling upon scads of corpses, all in various states of decomposition. It's not the setting for your next nightmare, but rather a very real discipline of forensic anthropology.

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