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New Scientist TV: One-Minute Physics archive Sandrine Ceurstemont, editor, New Scientist TV What's part of the universe? You may think of it as incorporating everything that exists - both on Earth and in space - but could it also include the unknown?

New Scientist TV: One-Minute Physics archive

Nuclear Weapons - basic technology concepts [UNC]

Nuclear Weapons - basic technology concepts [UNC]

A few words about nuclear weapons technology.. Fission weapons Nuclear weapons exploit two principle physical, or more specifically nuclear, properties of certain substances: fission and fusion. Fission is possible in a number of heavy elements, but in weapons it is principally confined to what is termed slow neutron fission in just two particular isotopes: 235U and 239Pu.
Physics - The Free Information Society
Science, Pseudoscience, and Irrationalism Science, Pseudoscience, and Irrationalism Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay First-time Visitors: Please visit Site Map and Disclaimer. Use "Back" to return here. What's Here and Not Here, And Why

10 Strange Things About The Universe

10 Strange Things About The Universe Space The universe can be a very strange place. While groundbreaking ideas such as quantum theory, relativity and even the Earth going around the Sun might be commonly accepted now, science still continues to show that the universe contains things you might find it difficult to believe, and even more difficult to get your head around. Theoretically, the lowest temperature that can be achieved is absolute zero, exactly ?273.15°C, where the motion of all particles stops completely.
Richard Dawkins Demonstrates Laryngeal Nerve of the Giraffe