Governments and tech companies continue to pour money into quantum technology in the hopes of building a supercomputer that can work at speeds we can't yet fathom to solve big problems.

In 1982, you could let a $500,000 store computer tell you whether Aunt Mary should get a sweater because she "looks like ...

"Quantum" may seem like a useless buzzword, but quantum computing is a real thing, and it's actually understandable even if you don't know physics.