QR codes are now a common way to share information, from payment links to Wi-Fi passwords. You can easily create them using free tools like Canva or Adobe Express without needing technical expertise.

March 5, 2026: We added a new Brawl Stars QR code, offering a free pentagram-theme spray. We looked for more creator and sushi codes, too, and also made sure all existing codes still work. When you're ...

Abstract: In this paper, we present a class of codes, referred to as random staircase generator matrix codes (SGMCs), which have staircase-like generator matrices. In the infinite-length region, we ...

Super Bowl ads have featured some emotional moments over the past few years and Lay's, the iconic potato chip brand, delivers the goods this year. In the ad, titled "Last Harvest", an Illinois potato ...