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World's largest neutrino detector takes shape under ice

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Uploaded on Apr 16, 2008

Read more: http://www.newscientist.com/channel/f...

The Ice Cube Neutrino Observatory being built in Antarctica could become the first instrument to detect neutrinos from deep space.

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Top Comments

  • TrapShooter123

    What if someone fell into that hole? Oh God...

    · 19

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  • OnEye

    its too bad they didn't core the ice instead of melting it ..

    it would be interesting to study the deep levels of ice

    · 12

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All Comments (75)

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  • panzi

    What if I'm god and I'll send you to hell if you don't do as I please? Why assume anything if there is no reason to do so? (If there is no evidence in favor of it.)

    ·

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    in reply to Kraized (Show the comment)
  • CACBCCCU

    In contrast to what I suggested earlier, solar neutrinos are generally presumed to not be antineutrinos, although the Majorana neutrino is also an antineutrino, and neutrino flavors can mix, with the mix varying over time and thereby losing and gaining mass, but that's another topic. Also, the size difference in the neutrino image of the Sun is probably mostly a scattering effect rather than terrestrial lensing.

    ·

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  • CACBCCCU

    I wrote that "observations of cosmic ray particle families apparently indicates most of the energy has a 2-D sheetlike form." I forgot to mention that this is an effect that supposedly becomes apparent at cosmic ray energies around 1TeV and above.

    ·

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  • CACBCCCU

    Solar neutrinos are supposed to actually be anti-neutrinos. Seems antiparticles could have negative mass, cosmic rays involve a mix of positrons and electrons and observations of cosmic ray particle families apparently indicates most of the energy has a 2-D sheetlike form. Seems to me this is the matter part of the beam going one way under gravity and the antimatter part going the opposite way.

    ·

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  • CACBCCCU

    If the sun's electron-anti-neutrinos gain energy on their way up to the Earth, to thus include a mix of muon- and tauon- anti-neutrinos, then maybe these antiparticles are behaving in an antigravitational way. A full pass through the Earth has been used to image solar neutrinos and the apparent neutrino-imaged radius is 5 times the sun's optical radius. It's probably possible to tell whether that is gravitational focusing or anti-focusing, as the curvature must be small it suggests the latter.

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  • Kraized

    LMao.... Nice.

    ·

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    in reply to Lucidmike78 (Show the comment)
  • JDnx

    laiiiid baaaccckkk

    ·

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    in reply to Lucidmike78 (Show the comment)
  • Lucidmike78

    become a catholic. 10 hail marys and you're forgiven for everything. you can wait until the last day so no rush.

    · 3

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    in reply to JDnx (Show the comment)
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