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100 Greatest Discoveries: Atomic Weight

On the Science Channel's "100 Greatest Discoveries," learn about John Dalton's atomic theory and how it became the system we use now in determining atomic weight.


On the Science Channel's "100 Greatest Discoveries," learn about John Dalton's atomic theory and how it became the system we use now in determining atomic weight.
1:23

100 Greatest Discoveries: Atomic Weight

On the Science Channel's "100 Greatest Discoveries," learn how German chemist August Kekule created a written model to visualize the chemical structure of atoms.
2:47

100 Greatest Discoveries: August Kekule's Written Model

On the Science Channel's "100 Greatest Discoveries," learn how the work of Joseph Gay-Lussac and Amedeo Avogadro led to the discovery of new compounds.
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100 Greatest Discoveries: Combining Atoms

Before Friedrich Wohler created urea, scientists believed that organic substances were unable to combine with inorganic substances. Learn more about the discovery of urea on the Science Channel's "100 Greatest Discoveries."
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100 Greatest Discoveries: Synthesis of Urea

A cathode ray tube (CRT) is an instrument that showed that there was an invisible force, electrons, that exist in our world. Watch the CRT at work on the Science Channel's "100 Greatest Discoveries."
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100 Greatest Discoveries: The Cathode Ray Tube

Learn about the work of Joseph Priestley and how it ultimately led to the discovery of oxygen on The Science Channel's "100 Greatest Discoveries."
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100 Greatest Discoveries: The Discovery of Oxygen

Atoms make up the very structure of all things, and if your microscope is powerful enough you can see them. Learn more about how atoms are arranged on the surface on Discovery Channel's "Assignment Discovery."
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Assignment Discovery: Atoms on the Surface

All atoms in their ground state are electrically neutral and have an equal number of electrons and protons. Learn more about atoms on Discovery Channel's "Assignment Discovery."
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Assignment Discovery: Electron Shells

Graphite is a carbon based material that is an electrical lubricant and very brittle. It can be used to make a pencil. Learn more about graphite on Discovery Channel's "Assignment Discovery."
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Assignment Discovery: Graphite

A material scientist is a scientist who studies the properties of a material to find out how it works. Meet one on Discovery Channel's "Assignment Discovery."
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Assignment Discovery: Material Science

Learn the differences between polar and non-polar molecules on Discovery Channel's "Assignment Discovery."
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Assignment Discovery: Polar and Non Polar Molecules

Watch this NOVA video podcast to see what happens you cool matter beyond the solid state. Learn what happens beyond cool and even beyond cold...
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Beyond Cold

Atoms are unpredictable. It's hard to be certain if they exist or not. Space, at an atomic level, has an energy field full of particles that annihilate each other. Learn more about atoms on The Science Channel's "Master of the Universe."
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Master of the Universe: Annihilation of Atoms

On The Science Channel's "Master of the Universe," Stephen Hawking and colleagues describe what atoms are and suggest they are more like force fields and waves, rather than mass.
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Master of the Universe: Stephen Hawking on Atoms

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

Zero point energy is the force that preserves the structure of the universe. The possibilities are endless if we can one day harness the power from zero point energy. Learn more about zero point energy on Discovery Channel's "Science of the Impossible."
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Science of the Impossible: Intro to Zero Point Energy

What are the odds the coffee you are drinking has the same water molecules as Abraham Lincoln's? Learn more about odds in this video.
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What Are the Odds? Lincoln's Coffee

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100 Greatest Discoveries: Physics

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How Solar Cars Work

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100 Greatest Discoveries: Atomic Weight

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Sci Fi Science: Invisibility Cloak

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How Nanotechnology Works

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100 Greatest Discoveries: The Periodic Table

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100 Greatest Discoveries: Discovery of Plastics

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100 Greatest Discoveries: Radiometric Dating

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Solved: Fingerprint Analysis

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Assignment Discovery: Newton's First Law

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Assignment Discovery: Newton's Laws of Motion

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100 Greatest Discoveries: Radioactivity


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