Everyone knows that time flows in one direction, with events occurring in a sequence. Time’s unidirectionality is linked to ...

Light is an unusually rich carrier of information. Its direction of travel, wavelength, and polarization can all be used to encode signals or images. Yet controlling these properties independently ...

How I fell in love with palindromes. When I was a teenager in South Jersey and getting a driving lesson from my dad, he casually mentioned that I should look in the rearview mirror every now and then ...