Humans have long been fascinated by invisibility, but practical cloaks today mainly evade radar, not human eyes. New research shows 3D-printed metasurfaces can form flexible invisibility cloaks that ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Typically, this level of radar evasion is achieved through engineering. The F-35, for example, uses an ...

Click to open image viewer. This is one of several examples of the Explorer 1 payload section in the collection, consisting of machined and painted metal shells with no instrumentation. This outer ...

The Great Race -- Signs of wonder -- The listening post -- The moon and the mail -- The Angels' Sanctuary -- City of sands -- Tricks and trust -- Key to the cave -- The hidden gem -- The thieves' road ...

DAYTON, Ohio (AP) — Bryce Harris had 19 points and 14 rebounds, and he sank a turnaround jumper with 13 seconds remaining that sent Howard to its first NCAA Tournament victory in program history, ...