QR codes are so familiar and widespread, we tend to trust them without question. That’s exactly what scammers rely on.

When you scan a QR code, your device reads the pattern and translates it into information, most often a link. That link then ...

Ronald Schneider, B.S.Pharm., M.H.A.; Jonathan Bagby, R.N., M.B.A., M.S.N.; Russ Carlson, R.N., B.S.N., M.H.A. Am J Health Syst Pharm. 2008;65(23):2216-2219. In 1994 ...

A longtime consulting engineer who now works for the federal government saw our discussion of mnemonics for remembering the resistor color code. He shares one he learned in college. It goes “Budweiser ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...