Clocking the speed of dark
The speed of light -- a brisk 299,792 kilometers per second -- is one of the universe's most fundamental (and scientifically useful) constants.
But relatively little attention has been paid to the speed of light's nefarious twin, dark.
This week, as part of its excellent Giz Asks series, Gizmodo looked to a number of physicists and experts -- including Neil DeGrasse Tyson, George Musser, and Perimeter's own Niayesh Afshordi -- with a seemingly simple question: what's the speed of dark?
"I believe the speed of dark is infinite!" says Afshordi.
Read his explanation and the others in the full article on Gizmodo.
Further exploration
About PI
Perimeter Institute is the world’s largest research hub devoted to theoretical physics. The independent Institute was founded in 1999 to foster breakthroughs in the fundamental understanding of our universe, from the smallest particles to the entire cosmos. Research at Perimeter is motivated by the understanding that fundamental science advances human knowledge and catalyzes innovation, and that today’s theoretical physics is tomorrow’s technology. Located in the Region of Waterloo, the not-for-profit Institute is a unique public-private endeavour, including the Governments of Ontario and Canada, that enables cutting-edge research, trains the next generation of scientific pioneers, and shares the power of physics through award-winning educational outreach and public engagement.
