RECORDED IN LIGHT A ring of light surrounds the boundary of a black hole in this artist illustration. Stephen Hawking theorizes that light on this boundary encodes information about everything that falls into the black hole.
INACTIVE BUT USEFUL An idle computer doesn’t do much except display a screensaver. But researchers showed that they could consistently glean information from a quantum computer even when the computer wasn’t running.
TWISTED MESSAGE A radar tower at the Central Institute for Meteorology and Geodynamics in Vienna was used to beam photons imparted with a twist to a detector three kilometers away.