Refraction—the bending of light as it passes through different media—has long been constrained by physical laws that prevent ...

If it weren’t for the fact that he can now stand on the concrete floor under the metal roof, Cumru Township Fire Chief James A. Beane would dare not wager that firefighters will occupy the nearly ...

Industries are embracing these geometric shapes, which were imagined in 1970 by a NASA scientist. Decades later, they have ...