Plant owners with a so-called green thumb often seem to have a more finely tuned sense of what their plants need than the ...

Light powers everything from communications to sensing, yet even tiny imperfections can scatter it and weaken signals. To ...

It’s the ultimate speed limit — baked into physics, untouchable. But what if a lab experiment appeared to break that rule? In one test, a laser pulse didn’t just travel incredibly fast. It seemed to ...