Maybe you’ve been nervously carrying your COVID-19 vaccine card for months, worried you'll lose it. Maybe you’ve already misplaced it and had to request a new one. Worries and hassle, be gone: you can ...

Massachusetts on Monday launched an online website where residents can obtain a QR code to show proof that they have been vaccinated against COVID-19. The QR code can be scanned at various ...

Cybersecurity experts are warning about scammers using QR codes to take advantage of unsuspecting victims. What is a QR code?

QR code, short for Quick Response Code, is a kind of matrix barcode that includes information about a product or service. You can find it being used for advertising purposes, where brands put up ...

🛍️ The best Cyber Monday deals you can shop right now (updating) 🛍️ By David Nield Updated May 9, 2023 8:00 AM EDT Get the Popular Science daily newsletter ...

Uh yeah, we get so many emails, Facebook messages on social media and so on. I love reading all of your questions to me, especially when you send them by video. As I get to see you. Our loyal viewer, ...