• Question: whats the coldest substance on earth

    Asked by coreyanddaz to David, Luna, Mark, Melanie, Probash on 24 Mar 2011 in Categories: .
    • Photo: Luna Munoz

      Luna Munoz answered on 24 Mar 2011:

      I don’t know… maybe liquid nitrogen or liquid hydrogen.

    • Photo: David Pyle

      David Pyle answered on 24 Mar 2011:

      There’s a lab next door to me in Oxford where they cool helium.. I think they have got it very very close to absolute zero. At that temperature it is still a fluid, but with very interesting properties.

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