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	Science Forum Forum Index » Pseudoscience » Real Science or Magic Trick?  Real Science or Magic Trick? « View previous topic :: View next topic »  Author Message scienceforall2007 Posted: Tue Feb 05, 2008 10:36 am    Post subject: Real Science or Magic Trick? Forum Freshman Joined: 05 Feb 2008 Posts: 2 How can this possibly work: http://www.youtube.com/watch?v=XjCmwuGKR6g How can you float something that's heavier than air? Also I don't get how they did the voices. Is it fake/altered video? Back to top Chemboy Posted: Wed Feb 06, 2008 3:45 pm    Post subject: Forum Ph.D. Joined: 01 Jul 2006 Posts: 1097 Location: NY I didn't watch the video but I noticed that the title includes 'sulfur hexafluoride,' so I'm quite sure I can tell you what's going on. Basically, if you put SF6 in a container, it stays in there because SF6 is heavier than air. So, it's kind of like putting water in a container, but SF6 happens to be a colorless gas. Things that typically are heavier than air, and thus typically don't float in air, can potentially float in SF6, as long as they're not heavier than it in the same way they're heavier than air. Make sense? _________________ "There is a kind of lazy pleasure in useless and out-of-the-way erudition." -Jorge Luis Borges Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First     Page 1 of 1 Science Forum Forum Index » Pseudoscience » Real Science or Magic Trick? Jump to: Select a forum Natural Sciences----------------Astronomy & CosmologyBiologyChemistryEarth SciencesMathematicsPhysics People----------------Behavioral & Social SciencesHealth & MedicinePhilosophical DiscussionHistoryReligionPoliticsCriminology and Forensic Science General Technology----------------Computer ScienceElectronicsMilitary Technology Information Technology----------------Business & EconomicsEducationEngineering & Transportation International Issues----------------Environmental IssuesIn the News The Science Forum----------------General DiscussionIntroductionsScience-Fiction and Non-FictionExperimentationPseudoscienceLinksArt and Culture Site Administration----------------Site FeedbackTrash Can  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum
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