Is this the start of a brand new technology megatrend?Quantum computing is a subset of computer science that aims to revolutionize the power of computers by replacing the traditional bit (which can be only in one of two states) with the qubit, which can be in multiple states simultaneously. The science is tricky. But if it works, it could transform the economy by allowing companies to quickly solve problems that would take millions of years for today's machines. Alphabet's Google optimistically believes tha ...