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) ...

Hospitals often use code names to alert staff to an emergency. Code blue means a medical emergency. Code red means fire or smoke. Code black typically means there is a bomb threat. Hospitals are the ...

Scalable quantum technologies require the ability to maintain and manipulate coherent quantum states over an arbitrarily long period of time. It is problematic then that the small quantum systems that ...