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Thu Jan 24, 2013 4:31 am by Admin



Utopia Forum is almost complete and is now ready for all new members and visitors.

The forum is a little different to here as it uses a single page forum which puts all the topics on one page with important threads globally pinned at the top of the page.

Like i said we are ALMOST complete but we are still playing around and moving things about so please bare …

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Scientists could be months away from discovering antigravity

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Scientists could be months away from discovering antigravity

Post  Admin on Fri May 06, 2011 11:06 am



Scientists at CERN have announced that they've been able to trap 309 atoms of antihydrogen for over 15 minutes. This is long enough that soon, they'll be able to figure out whether antimatter obeys the law of gravity, or whether it's repelled by normal matter and falls "up" instead. It would be antigravity, for real.

While it's never been tested experimentally due to how difficult it is to create and store the stuff, it's disappointingly likely that antimatter will fall "down" just like regular matter. The thinking behind this is that antimatter (despite the "anti-") is made of regular ordinary energy, and even if it's got an opposite charge, it should still obey the same general rules as matter does. Antimatter falling up would mean a violation of the law of conservation of energy, among other things.

That said, if antimatter were to exhibit antigravity, it would go a long way towards explaining some of the peculiarities of our universe. For example, the universe is supposed to have just as much antimatter as it does matter, but we don't know where the antimatter is. If antimatter and normal matter repelled each other, it could mean that there are entire antimatter galaxies out there. Also, that repulsion would explain why the universe is not just expanding, but speeding up its expansion, something that's tricky to figure out when everything in the universe is always attracted towards everything else.

In either case, the team at CERN should be able to put the debate to rest within a couple months, when they plan to trap a blob of antihydrogen and then just watch it to see which way it falls. Down, and the laws of physics stay in place. Up, and you might just get that hoverboard you've always wanted.
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