Roots of Humanity envisions an immersive glasswork building in Lehi, Utah. They plan on using 10,000 square feet of decorative glass. (Courtesy of Roots of Humanity) The Roots of Humanity Foundation, ...

Owing to the wave nature of light there are many ways that such different waves can interact with each other, but also with materials. Everyone knows about reflecting light with a mirror, which is a ...

Can we turn back time? Ask a savvy physicist, and the answer will be “it depends.” Schemes for retrograde time travel abound but usually involve irreconcilable paradoxes and rely on outlandish ...