Molecular “Black Cloud” B68 toward the constellation Ophiuchus sillouetted against a region very rich in stars. VLT ANTU/FORS1. Credits: ESO

 
Get ready to re-think your ideas of reality. Join UCSD physicist Kim Griest as he takes you on a fascinating excursion, addressing some of the massive efforts and tantalizing bits of evidence which suggest that what goes on in empty space determines the properties of the three-dimensional existence we know and love, and discusses how that reality may be but the wiggling of strings from other dimensions.

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