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Dark Matter
In two thousand seven, i was happy to give a 50% chance that something good would happen in the next five years. But we turned out on the sad side of the 50%. It's part of a problem that is plaguing all fundamental physics. I'm still hopeful that in my lifetime we will find some direct evidence for dark matter - but i could be wrong. Joel curtis: Where do you stand on the merits of the rubber sheet analogy to illustrate space time curvature?