Engines of light: New study suggests we could increase useful energy obtained from sunlight

Physicists from Trinity College Dublin believe new insights into the behavior of light may offer a new means of solving one ...
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NASA tests 3D printed RAMFIRE rocket engine nozzle

NASA's Reactive Additive Manufacturing for the Fourth Industrial Revolution (RAMFIRE) project test-fired a 3D-printed engine nozzle at Marshall Space Flight Center in Alabama. See the test in ...