Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Quick Response (QR) codes were popular before the COVID-19 pandemic ...
Today, when you recycle a plastic container, it goes to a material recovery facility, where it must be identified and sorted. Facilities typically rely on imprecise older technology to try to figure ...
Some technologies you use every day, but without thinking about them. The bar code is one of these: everything you buy has one of these black and white striped codes on it. We've all seen how they are ...
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