I have to admit, I’ve never been curious enough to try them: those mobile-phone barcodes that look like square inkblots. They call to you from the corners of newspaper advertisements, packaging, and ...

Back in 1964, computers were enormous, expensive, and hidden away in air-conditioned rooms. And that was just fine, because they were also horribly complex: only scientists, mathematicians and highly ...

Fisher-Price unveiled a new caterpillar toy robot at CES 2016 that aims to teach kids the basics of coding. Deemed Code-a-Pillar, the device teaches children between ages 3 and 8 how to problem solve ...

My QR code reader was in a loop of error messages and had no intention of snapping out of it. “Hold over QR code…” The real-estate section of our Sunday paper ...