Quantum computer research is advancing at a rapid pace. Today's devices, however, still have significant limitations: For example, the length of a quantum computation is severely limited—that is, the ...

Forbes contributors publish independent expert analyses and insights. Edward Segal covers crisis-related news, topics, and issues. Like pilots, some business executives are using computer simulations ...

Few scientific ideas have leapt from philosophy seminars to dinner-table debates as quickly as the claim that our universe ...