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3katz4me
4 years ago
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westsider40
4 years agoRelated Discussions
New chemical entities
Comments (3)Of all the places you could post this information in the hopes of someone reading it and clicking the link, why on earth would you do it here, where it has no connection to anything being discussed? Are the spammers getting dumber?...See MoreThe Long Emergency
Comments (53)Wayne, here's the headline...Crystal power Palmtop Nuclear Fusion Device Invented By Michael Schirber LiveScience Staff Writer posted: 27 April 2005 01:00 pm ET The nuclear reaction that powers the Sun has been reproduced in a pocket-sized device, scientists announced today. Researchers have for years tried to harness nuclear fusion to power the world. But its cousin, nuclear fission -- the breaking apart of atoms -- is the only method so far commercially viable. The latest invention is not in the same league as efforts to build complex commercial reactors. The new device creates a relatively small number of reactions, and requires more energy to operate than it produces. The Real Deal (AP) - Previous claims of tabletop fusion have been met with skepticism and even derision by physicists. In one of the most notable cases, Dr. B. Stanley Pons of the University of Utah and Martin Fleischmann of Southampton University in England shocked the world in 1989 when they announced that they had achieved so-called cold fusion at room temperature. Their work was discredited after repeated attempts to reproduce it failed. Fusion experts noted that the new UCLA experiment is credible because, unlike the 1989 work, it did not violate basic principles of physics. "This doesn't have any controversy in it because they're using a tried and true method,'' said David Ruzic, professor of nuclear and plasma engineering at the University of Illinois at Urbana-Champaign. "There's no mystery in terms of the physics.'' -- Associated Press But the configuration is so small and simple that its creators think it may inspire unforeseen applications. "I certainly find it interesting that you can heat a cubic centimeter crystal in your hand, then plunge it in cold water and it will cause nuclear fusion," Seth Putterman from the University of California Los Angeles told LiveScience. Putterman's lay description greatly oversimplifies how the compact apparatus works. Specifically, Putterman and collaborators heat a pyroelectric crystal, lithium tantalite, from minus 30 degrees Fahrenheit to plus 45 in a matter of minutes. This generates an electrical charge -- 100,000 volts -- across the tiny crystal, which is housed in a chamber filled with deuterium gas, a heavy form of hydrogen. The high voltage is focused onto a needle-thin tip, which strips electrons from nearby deuterium nuclei and then accelerates them at a solid target containing deuterium. When two deuterium nuclei collide together at high speed, they fuse to form helium. The Sun also fuses atoms in thermonuclear reactions that create light and heat. The byproduct of the newly discovered lab reaction is a particle called the neutron. The scientists detect about 1,000 neutrons per second. Because neutrons are so penetrating, Putterman said that a hand-held neutron source might one-day be used to do geologic surveys or to look into cargo containers for nuclear devices. "Current neutron generators are extremely cumbersome," Putterman said. "They are about as big as a dentists X-ray machine, so you canÂt carry them into the field." Pyroelectric crystals could also provide a beam of ions for use as a microthruster in a miniature spacecraft. The research is described in the April 28 issue of the journal Nature....See MoreAmerican Humane Association and the Humane Society?
Comments (16)This is a little long, but you should have more information. AHA is the original organization, HSUS broke off from them..... American Humane (AH) is an organization founded in 1877, committed to ensuring the safety, welfare and well-being of animals. American Humane's leadership programs are first to serve in promoting and nurturing the bonds between animals and humans.[3] It was previously called the International Humane Association, before changing its name in 1878. In 1940, it became the sole monitoring body for the humane treatment of animals on the sets of Hollywood films and other broadcast productions. American Humane is best known for its trademarked certification "No Animals Were Harmed", which appears at the end of film or television credits. It has also run the Red Star Animal Emergency Services since 1916. In 2000, American Humane formed the Farm Animal Services program, an animal welfare label system for food products. Edit American Humane began on October 9, 1877, as "The International Humane Association," The International Humane Association changed its name to the "American Humane Association" in November 1878.[8] In 1916, American Humane founded Red Star Rescue Relief after the U.S. Secretary of War asked American Humane to rescue injured horses on the battlefields of World War 1.[10] In 1954, tensions within the ranks of American Humane members came to a head at the organization's meeting's in the aftermath, there were firings and resignations. A core group went on to found a new organization, the National Humane Society, later known as The Humane Society of the United States, as an alternative to American Humane.[11]...See MoreQuotes 12 - 14 - 17
Comments (1)While I don't believe in Nostradamus and his prophecies, much of it is already true and if we don't change the rest of it may become true at some time. Margaret Chase Smith is one person we need now in Washington, alas... The Ellen Willis quote # 1 I really like and Stanley Crouch I need also to re-read and quote a few to some people. Did I say a few days ago that I get out of politics?...See Morechispa
4 years agoOakley
4 years agosalonva
4 years agollitm
4 years ago3katz4me
4 years agosalonva
4 years ago
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