Ever since Meta introduced a QR code-based feature to share Instagram profiles, users no longer had to spell out their account name to a new friend or type it out. The simple ‘Share Profile ...

Physicists have created the tiniest light-emitting diode (LED) displays ever 1. The image above was shown on a monochromatic display with pixels less than 100 micrometres across, about the width ...

Scam QR code stickers stuck onto a pay and display machine in a Derby car park Which? has been sharing reports of QR code parking scams for almost two years, but these scams continue to catch out ...