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Assignment Discovery: Harmful Electromagnetic Waves

Related Article: Learn more about nuclear science.

On Discovery Channel's "Assignment Discovery," learn why as the frequency of electromagnetic radiation increases, it becomes more dangerous to humans and other living creatures.

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Atomic Structure: Neutrons

Atomic Structure: Neutrons (0:33)

The neutron has no electric charge, is found in the nucleus, and has a mass of ~1 amu.

Atomic Structure: The Nucleus

Atomic Structure: The Nucleus (0:52)

The nucleus contains protons, which are positively charged, and neutrons. Each proton has a mass of about 1 amu.

Size of Atoms: Matter

Size of Atoms: Matter (1:04)

Matter is mostly empty space because atoms themselves are mostly empty space.

Niels Bohr's Atomic Model

Niels Bohr's Atomic Model (1:24)

According to Bohr's atomic model, electrons travel only in fixed paths, called energy levels, around the nucleus.

Structure of the Atom

Structure of the Atom (1:55)

Ernest Rutherford conducted an experiment to learn the structure of an atom.

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Discovery Tech: Power From A Floating Metal Donut

Discovery Tech: Power From A Floating Metal Donut (2:52)

Energy from a floating nuclear donut? It might just happen if MIT researchers have their way. James Williams and Tracy Staedter ferret out the details in this "Discovery Tech" video.

Science of the Impossible: Fusion Energy

Science of the Impossible: Fusion Energy (1:56)

On Discovery Channel's "Science of the Impossible," learn how fusion energy technology could take astronauts to the next nearest star, Alpha Centauri.

Doughnut Nukes

Doughnut Nukes (2:51)

What do doughnuts and cereal have to do with nuclear energy? Watch this video to find out.

10 Ways the World Will End: Nuclear Holocaust

10 Ways the World Will End: Nuclear Holocaust (2:58)

The Science Channel's "10 Ways the World Will End" examines the plausibility of a nuclear holocaust. With the world supply of nuclear warheads at an all time high, a nuclear holocaust is an imminent threat.

Strange Planes: Cuban Missile Crisis Retreat

Strange Planes: Cuban Missile Crisis Retreat (1:14)

During the Cuban Missile Crisis, the United States gave a direct warning to the Soviets, and Khrushchev ordered missiles to be sent back to the Soviet Union. Learn about this part of history on Discovery Channel's series, "Strange Planes."

Strange Planes: Cuban Missile Crisis

Strange Planes: Cuban Missile Crisis (2:05)

The history of the Cuban missile crisis is explained. President John F. Kennedy addresses the Soviet threat and orders a naval blockade around Cuba. Learn more in this clip from Discovery Channel's series, "Strange Planes."

Assignment Discovery: Origin of the Atom Theory

Assignment Discovery: Origin of the Atom Theory (2:08)

On Discovery Channel's "Assignment Discovery," the study of atoms has led to the uncertainty principal, signaling the end of the notion in classical physics that everything, in principal, can be known and predicted.

Assignment Discovery: Harmful Electromagnetic Waves

Assignment Discovery: Harmful Electromagnetic Waves (0:58)

On Discovery Channel's "Assignment Discovery," learn why as the frequency of electromagnetic radiation increases, it becomes more dangerous to humans and other living creatures.

Assignment Discovery: Use of Electromagnetic Waves

Assignment Discovery: Use of Electromagnetic Waves (2:05)

Learn about the common uses of electromagnetic waves on Discovery Channel's "Assignment Discovery."

Assignment Discovery: Speed of Light

Assignment Discovery: Speed of Light (1:54)

Electricity and magnetism are related because they both result from the movement of electrons. Learn more about electromagnetic waves and the speed of light on Discovery Channel's "Assignment Discovery."