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Keyword: casimirforce

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  • Moving mirrors make light from nothing

    06/03/2011 11:58:13 AM PDT · by neverdem · 47 replies
    Nature News ^ | 3 June 2011 | Geoff Brumfiel
    Researchers claim to have produced sought-after quantum effect. A team of physicists is claiming to have coaxed sparks from the vacuum of empty space1. If verified, the finding would be one of the most unusual experimental proofs of quantum mechanics in recent years and "a significant milestone", says John Pendry, a theoretical physicist at Imperial College London who was not involved in the study. The researchers, based at the Chalmers University of Technology in Gothenburg, Sweden, will present their findings early next week at a workshop in Padua, Italy. They have already posted a paper on the popular pre-print server...
  • Physicists have 'solved' mystery of levitation

    08/06/2007 8:31:10 AM PDT · by AFreeBird · 138 replies · 5,709+ views
    UK Telegraph ^ | 3:43pm BST 06/08/2007 | Roger Highfield, Science Editor
    Levitation has been elevated from being pure science fiction to science fact, according to a study reported today by physicists.   In theory the discovery could be used to levitate a person In earlier work the same team of theoretical physicists showed that invisibility cloaks are feasible. Now, in another report that sounds like it comes out of the pages of a Harry Potter book, the University of St Andrews team has created an 'incredible levitation effects’ by engineering the force of nature which normally causes objects to stick together. Professor Ulf Leonhardt and Dr Thomas Philbin, from the University...
  • Physicists clarify exotic force, but no 'Theory of Everything' yet [Casimir force]

    06/22/2005 1:06:47 PM PDT · by PatrickHenry · 40 replies · 1,104+ views
    Purdue University News Service ^ | 20 June 2005 | Staff
    The quest for a single theory that unites all of the universe's fundamental forces has thus far eluded physicists, but that has not stopped a team of them from clearing the way for nanotechnologists while they look for it. The group, which includes Purdue University's Ephraim Fischbach, has recently completed research that improves our understanding of how tiny objects placed very close together can influence each other. Their experiment, which involves the behavior of a minuscule gold ball as it moves over different substances, shows that gravity behaves exactly as Isaac Newton predicted, even at small scales. Unfortunately for those...