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Physical science is the study of the properties and structures of matter, space and time. This section introduces major concepts in physics, as well as exploring special areas like special relativity and forensics.
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Featured Physical Science Article
The human eye misses a lot -- enter the incredible world of the microscopic! Explore how a light microscope works. More »
> What if someone released a large amount of helium into a small space?
> Can people get poisoned by indirect exposure to polonium-210?
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.
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.
The greatest need modern civilizations have is energy. Learn about oil, electricity and newer forms of energy like solar and wind power.
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.
Nuclear science is the study of sub-atomic particles and their application in various disciplines. Here you can learn about nuclear power plants, atomic theory and radiation.
Optics is the study of the properties and behavior of light. In this section you can learn about everything from holograms to lasers and lenses.
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.
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