Mathematicians say computers based on 1's and O's will give way to molecular systems that can simultaneously process arrays of data. Quantum information systems can tackle problems that today take ...

Euler’s identity: Math geeks extol its beauty, even finding in it hints of a myste­rious connected­ness in the universe. It’s on tank tops and coffee mugs. Aliens, apparently, carve it into ...

The first versions of ASCII used 7-bit codes, which meant they could attach a character to every binary number between 0000000 and 1111111, which is 0 to 128 in decimal.