PLZT Ceramic Specialty Ceramic Capacitors

PLZT Ceramic Specialty Ceramic Capacitors

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Rare Earth Metals

Rare Earth Metals and Their Applications In order of increasing atomic mass, the rare earth metals and some of their common applications are given below. Scandium: Atomic weight 21. Used to strengthen aluminum alloys. Yttrium: Atomic weight 39. Used in superconductors and exotic light sources. Lanthanum: Atomic weight 57. Used in specialty glasses and optics, electrodes and for hydrogen storage. Cerium: Atomic weight 58. Makes an excellent oxidizer, used in oil cracking during petroleum refining and is used for yellow color in ceramics and glass. Praseodymium: Atomic weight 59. Used in magnets, lasers and as green color in ceramics and glass. Neodymium: Atomic weight 60. Used in magnets, lasers and as purple color in ceramics and glass. Promethium: Atomic weight 61. Used in nuclear batteries. Samarium: Atomic weight 62. Used in magnets, lasers and for neutron capture. Europium: Atomic weight 63. Makes colored phosphors, lasers, and merc
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Computers Files, Pictures, Video Back-up

You've probably seen the commercial: A family’s home is devastated by fire. A heroic National Guardsman locates a photo album (symbolizing the most valuable material family possession), wipes it off, and hands it to the grateful survivor. If this resonates with you in the slightest, you may want to insure the safety of your own digital photo files against disaster. And while were at it, what about your family videos? And your tax information? And all those other irreplaceable work and personal files? We don’t need a nightmare scenario to make regular, comprehensive backup the right move. The sad truth is, hard drives crash. Like all mechanical devices, they wear out. Storing all your photos and files on your PC's hard drive is like speeding down the wrong side of a freeway — it's not a matter of will you crash, it's simply a matter of when. The older your hard drive is, the more likely it will go down, taking all your irreplaceable digital memories with it. Of course
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Scientists turn carbon dioxide into stone to combat global warming

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Amina Khan Deep in the solidified lava beneath Iceland, scientists have managed an unprecedented feat: They’ve taken carbon dioxide released by a power plant and turned it into rock at a rate much faster than laboratory tests predicted. The  findings , described in the journal Science, demonstrate a powerful method of carbon storage that could reduce some of the human-caused greenhouse gas emissions contributing to climate change. “These are really exciting results,” said Roger Aines, a geochemist at Lawrence Livermore National Laboratory who was not involved in the study. “Nobody had ever actually done a large-scale experiment like they’ve done, under the conditions that they did it.” See the most-read stories in Science this hour » The pilot program, performed at Reykjavik Energy’s geothermal power plant under a European-U.S. program called CarbFix, was able to turn more than 95% of carbon dioxide injected into the earth into chalky rock within just two years. “We
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