BBC: On 22 April, the US Air Force’s robot spaceplane, the X-37B, was launched atop an Atlas 5 rocket from Cape Canaveral Air Force Station in Florida. Yesterday the X-37B returned to Earth, gliding to a successful landing at Vandenberg Air Force Base in California. The reusable spaceplane is about a quarter of the size of the space shuttle. What, if anything, the X-37B carried in its cargo bay during the flight and what its ultimate purpose is remain classified.
His 1988 sketch of how to use Antarctic ice to detect neutrinos led to the IceCube observatory, which made the first detections of high-energy neutrinos in 2013.
