Video QR codes sound simple: scan, watch, done. But anyone who’s tried to put one on a poster, a menu, or a product box knows the real challenge is reliability. The code has to scan quickly, the video ...
ITHACA, N.Y. – Fact-checkers may have a new tool in the fight against misinformation. A team of Cornell University researchers has developed a way to “watermark” light in videos, which they can use to ...