Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time and the latter a point in space, but in both cases the normally ...
If you wave your hand in front of your face, you won’t notice anything particularly interesting. Perhaps a gentle waft of air against your cheek – that’s about it. No epiphany. No major sign that ...
When NASA’s Nancy Grace Roman Space Telescope begins science operations in 2027, it will use a space-bending effect first predicted by Einstein back in 1916 in an attempt to crack one of science's ...