How Lasers Work [Video]

In the following video, Bill Hammack, the engineer guy, shows how the three key characteristics of laser light – single wavelength, narrow beam, and high intensity – are made. He explains the operation of a ruby laser – the first laser ever made – showing how electronic transitions create stimulated emission to give coherent light, […]

Revealed: The Face of Twitter

In most walks of life, claiming that you could see Twitter’s face would have you locked up. Thankfully there is one situation where it is acceptable: academic research. Said visualization was the conclusion of a presentation I recently attended by Nello Cristianini, the Professor of Artificial Intelligence at the University of Bristol’s Department of Engineering […]