So, You Think You Have a Good Handle on Reality?

Not So Fast. . . In 1995, astronomer Bob Williams pointed the Hubble Space Telescope at a postage stamp-size patch of sky filled with absolutely nothing. It was completely black. For 100 hours between Dec. 18 and 28, Hubble stared at this lonely patch of sky near the Big Dipper’s handle that was only about 1/30th as wide as the full moon. In total, the telescope took 342 pictures of the region....
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