In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own ...

The Busy Beaver Challenge, a notoriously difficult question in theoretical computer science, is now producing answers so ...

The measurement problem in quantum mechanics looks at how an experimental outcome changes, simply by observing it.

An eon ago, when only microbes dwelled on Earth, a pair of black holes some 1.3 billion light-years beyond the solar system spiraled toward each other until they crashed. The two became one big black ...

As clinics transition to the Cirrus system, doctors need a reliable way to convert measurements so they can compare results across time and equipment. Using high-quality scans from 26 left eyes and 30 ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › The person who first said “measure twice and cut once” must have been intimately ...