time travel, parallel universes, and other useful illusions
You know, my post frequency around here lately has been sporadic at best. Every few days? Once a week? Not good enough. Truth is, I get distracted. Easily. Like a squirrel. But I want to change that, so my new focus is going to be on bringing you more stories, news, and other things far …
Continue reading “Strange Days In Science #2: Mysterious Spots on Dwarf Planets Edition”
On the evening of December 9, 2009, worried onlookers inundated the Norwegian Meteorological Institute with phone calls. Something remarkable had appeared in the sky, which could be seen from Northern Norway and Sweden. It was a bizarre spiral of light that seemed to hover in the atmosphere for nearly three full minutes. White-gray and circular, …
Common knowledge tells us that a journey into a black hole ends, well, badly. That’s because its center — the singularity — is an infinitely dense region of space-time, from which nothing can escape. But, as our twisted universe would have it, there’s actually a certain type of theoretical black hole that may lack a …
Continue reading “Could A Kerr Black Hole Be Used To Travel Through Time?”
On August 30, 2006 in Sweden, Håkan Nordkvist came home to find water pooling on his kitchen floor. Assuming it was a leak, he gathered some tools and, opening the kitchen sink cabinet, reached his arm in to feel for the piping. But he reached farther than he’d expected.