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11 Geeky Gifts. Melting Steel w/ Solar Energy. Photo: Youtube screen grab.
See video below. Working Towards Apotheosis. Technological Singularity and Friendly Artificial Intelligence: Computer Programs, Minds-in-General (Artificial Intelligence), and the Human Brain At some point, brains made out of components besides biological neurons will exist.
What will that mean? Will an intelligence that computes with silicon think at the same rate at one that computes with proteins? Physicists Slow Speed of Light. Physicists Slow Speed of Light By William J.
Cromie Gazette Staff Light, which normally travels the 240,000 miles from the Moon to Earth in less than two seconds, has been slowed to the speed of a minivan in rush-hour traffic -- 38 miles an hour. An entirely new state of matter, first observed four years ago, has made this possible. Such an exotic medium can be engineered to slow a light beam 20 million-fold from 186,282 miles a second to a pokey 38 miles an hour. "In this odd state of matter, light takes on a more human dimension; you can almost touch it," says Lene Hau, a Harvard University physicist. Hau led a team of scientists who did this experiment at the Rowland Institute for Science, a private, nonprofit research facility in Cambridge, Mass., endowed by Edwin Land, the inventor of instant photography. Irresistible force paradox. The irresistible force paradox, also called the unstoppable force paradox, is a classic paradox formulated as "What happens when an unstoppable force meets an immovable object?
" This paradox is a form of the omnipotence paradox, which is a simple demonstration that challenges omnipotence: ("Can God create a stone so heavy that not even God is strong enough to lift it? "). The immovable object and the irresistible force are both implicitly assumed to be indestructible, or else the question would have a trivial resolution ("it destroys it").
13 Things That Do Not Make Sense. Read full article.
Copenhagen Interpretation of Quantum Mechanics. First published Fri May 3, 2002; substantive revision Thu Jan 24, 2008 As the theory of the atom, quantum mechanics is perhaps the most successful theory in the history of science.
It enables physicists, chemists, and technicians to calculate and predict the outcome of a vast number of experiments and to create new and advanced technology based on the insight into the behavior of atomic objects. But it is also a theory that challenges our imagination. Electronics Articles. Imagining the Tenth Dimension. Amazing Superconducting Train Principle. 7 Man-Made Substances. The universe is full of weird substances like liquid metal and whatever preservative keeps Larry King alive. But mankind isn't happy to accept the weirdness of nature when we can create our own abominations of science that, due to the miracle of technology, spit in nature's face and call it retarded. 20 Engineering Achievements. Words to Know. 1000px-Half-age-plus-seven-relationship-rule.svg.png (PNG Image, 1000x1057 pixels) - Scaled (50.
Teleportation Between Atoms. For the first time, scientists have successfully teleported information between two separate atoms in unconnected enclosures a meter apart – a significant milestone in the global quest for practical quantum information processing.
Ionization. Photo by: Alexey Lemeshkov Ionization is the process in which one or more electrons are removed from an atom or molecule.
The charged particle that results is called an ion. As an example, consider an atom of oxygen. An oxygen atom consists of a nucleus containing eight protons and eight neutrons. Each proton carries a single positive electrical charge, and each neutron is electrically neutral. Some of the electrons in an atom can be removed rather easily. Balogna Detection Kit. Based on the book The Demon Haunted World by Carl Sagan 2 Oct 11: Carl Sagan's books, including this one, are now available as ebooks from Kindle - but only for residents of the USA :( The following are suggested as tools for testing arguments and detecting fallacious or fraudulent arguments: Wherever possible there must be independent confirmation of the facts Encourage substantive debate on the evidence by knowledgeable proponents of all points of view.
Meaning of Halflife. I'd like to illustrate what this really means.
If living creatures had halflives the way radioactive atoms do, the world would be a very different place. What do you mean? Suppose there's an alien species with a halflife of, say, 70 years. Quantum Physics. Classical physics could not explain the spectra of black bodies. It predicted that the intensity (power emitted at a given wavelength) of emitted light should increase rapidly with decreasing wavelength without limit (the "ultraviolet catastrophe"). In the figure below, the curve labeled "Rayleigh-Jeans law" shows the classically expected behavior. However, the measured spectra actually showed an intensity maximum at a particular wavelength, while the intensity decreased at wavelengths both above and below the maximum.
Interactive Periodic Table. Nonmetal, mass: 1.008 u, 2 stable isotopes (1, 2), abundance rank (earth/space): 9/1 Click image to magnify. Vial of glowing ultrapure hydrogen, H2. Original size in cm: 1 x 5. Quantum Teleportation. Teleportation is the name given by science fiction writers to the feat of making an object or person disintegrate in one place while a perfect replica appears somewhere else.
How this is accomplished is usually not explained in detail, but the general idea seems to be that the original object is scanned in such a way as to extract all the information from it, then this information is transmitted to the receiving location and used to construct the replica, not necessarily from the actual material of the original, but perhaps from atoms of the same kinds, arranged in exactly the same pattern as the original. A teleportation machine would be like a fax machine, except that it would work on 3-dimensional objects as well as documents, it would produce an exact copy rather than an approximate facsimile, and it would destroy the original in the process of scanning it.
In 1993 an international group of six scientists, including IBM Fellow Charles H. Circuit Skills: Circuit Board Etching. 101 Atheist Quotes. Quantum Mechanics Lectures. Untitled. The Secret to Anti-Gravity Revealed? The Mechanical Engineering Portal. Assembly Instructions for Kits #1-4. Difficulty level: 1 (simple, no special tools required) Printer-friendly assembly instructions in pdf format. Building nuclear reactor at home - from scratch : Svarychevski Michail Aleksandrovich. ThermoDex. 10 Interesting Futuristic Materials.
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