To B-Sure

Physics rumordom is rife with rumors of something big in the Cosmic Microwave Background (CMB). In particular, the suspicion is that so-called primordial B-modes (of polarization) might have been observed by the BICEP2 South Polar experiment. For reasons beyond my (zero) pay grade, these are expected to show evidence of the characteristic energy scale of cosmic inflation - or at least give hints about that very early age of the Universe. The link is to Lumo's account, which contains explanatory material as well as numerous links to other speculations and explanations.

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