The world’s most accurate clock now belongs to researchers at the National Institute of Standards and Technology (NIST). Its new optical atomic clock, built around a single trapped aluminum ion, can ...

Building a computer on a breadboard is a seminal project for many builders, but it can become complicated quite quickly, not to mention that all the parts needed for a computer are being placed on ...

In the iodine experiment, adding two solutions to a cup causes the liquid's color to change continuously—from clear to light blue, then pale yellow, and finally deep blue. The transformation is truly ...