Microsoft has just announced a chip that it claims will "redefine" how quantum computing works. But experts say there's a long way for that vision to become a reality.

Tech giant Microsoft unveiled a new computer chip on Wednesday that it says could transform everything from fighting pollution to developing new medicines, joining Google and IBM in arguing that the promise of quantum computing is closer to reality.

Microsoft today said its new quantum chip is the first to be powered by a new Topological Core architecture that “will realize quantum computers capable of solving meaningful, industrial-scale problems in years,