Their experiments on the wave-like nature of something called a Rydberg state revealed a novel way to measure time that doesn't require a precise starting point. Rydberg atoms are the over-inflated ...

By measuring this frequency, we measure time. Atoms make for handy clockwork. They don’t have mechanical parts, and they don’t wear out. They are attractively standard. While sunlight and ...

If you own a glass, Pyrex measuring cup, you could get a check in the mail within the next few months. More than 10,000 customers who purchased a Pyrex measuring cup around 2021 will receive a ...