Gearing up for its first flight test, NASA’s Adaptable Deployable Entry Placement Technology, or ADEPT, is no ordinary umbrella. ADEPT is a foldable device that opens to make a round, rigid heat shield, called an aeroshell. This game-changing technology could squeeze a heat shield into a rocket with a diameter larger than the rocket itself.
The most recent edition of the biannual TOP500 global survey of supercomputers, released Monday, shows the top U.S. machine slipping in the rankings. The Titan supercomputer, which is based at the Department of Energy’s Oak Ridge National Laboratory and is the country’s most powerful supercomputer, was edged from its No. 3 spot by Piz Daint,