After seeing an exhibit of an old relay-based computer as a kid, [Simon] was inspired to build a simple two-relay latching circuit. Since then, he’s been fascinated by how relays can function to do ...

Somewhere around middle school, you learned about squaring numbers and the inverse, finding the square root of a number, but a little reminder can't hurt. You square a number when you multiply it by ...

LOS ANGELES - Caltech researchers have produced the most sophisticated DNA-based computer yet, a wet-chemistry system that ...

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just reaching for a calculator, or if you are writing a program, you’ll probably ...

A new DNA computer calculates square roots of perfect squares up to 900. Like quantum computers, DNA computers are an exciting frontier of post-silicon computing. Where previous examples were up to 4 ...

Learn a creative method for calculating square roots more easily with this clever math technique.

This record is for the fastest time to mentally calculate the square root of ten 6-digit numbers. This record is to be attempted by an individual. The record is measured in seconds, to the nearest ...