TABULA ROGERIANA
he , or , was completed by Moroccan cartographer Muhammad al-Idrisi in 1154. Compiled over 15 years for King Roger II of Sicily
What Happens When Two Black Holes Collide?
FOR THE FIRST TIME, WE’VE OBSERVED A 50-YEAR-OLD theorem from Stephen Hawking in the natural world. Scientists from the Massachusetts Institute of Technology (MIT), California Institute of Technology, Cornell University, and Stony Brook University an
