what's inside: physical science

 

Physical science is the study of the physical world around you. You can learn about everything from electricity to magnetism.

Acoustics

Acoustics is the science of sound as it reacts to air, water and solid materials. Learn about topics from radar to white noise, plus find out why you can hear the ocean in a seashell. See more »

Chemistry

Chemistry is the science of matter and the changes it undergoes during chemical reactions. In this section, learn about everyday chemistry, from chlorine beach to helium, and even why chocolate turns gray. See more »

Electricity

Electricity is a major force of nature. In this section, you can learn how electricity works and what its potential uses are. See more »

Forensic Science

Forensics is the examination, through physical evidence, of a criminal event or incident. Learn about the various types of forensic disciplines and how they are used to bring the guilty to justice. See more »

Magnetism

Magnetism is all around us. Here you can find out how magnetism affects everything around you. See more »

Matter

Everything in the universe is comprised of matter. Check out these articles for a better understanding of matter and how it affects you. See more »

Mechanics

Mechanics help explain how the natural forces of nature work. Here you can learn about everything from gravity to friction. See more »

Physics

This section explores general physics as well as quantum science. Topics like quantum suicide, parallel universes and time travel are all touched upon in this section. See more »

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featured articles

FPO

How Helium Balloons Work

Helium balloons tend to fascinate adults and children alike (and it's not just the Donald Duck voice thing, though that is a big draw). Learn all about helium and why it floats!

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Has a surfer discovered the theory of everything?

Surfer and physicist A. Garrett Lisi may have solved one of physics' greatest mysteries -- the theory of everything. It's a mathematical link to how the universe works.

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How Forensic Lab Techniques Work

With a little ingenuity and some very high-tech equipment, forensic scientists can help law enforcement catch even the wiliest perpetrator. What are their techniques?