QR codes can be a handy way to send a link or contact details without all that tedious mucking about with typing in a link, but they aren’t very useful without a smartphone to decode them.

HI! I'm Elliot Alexander, a London-based Computer Scientist with a background in software engineering. I've worked across the security and high-performance computing space, and am experienced in all ...

Did you ever watch Star Wars and wondered how people understood what R2D2 was saying? Maybe [Luke Skywalker] would enjoy learning to decode QR Codes by hand, too. While it might not be very practical, ...