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Quantum computing sits at the intersection of national security and a trillion-dollar opportunity. Governments worldwide are racing to build systems that crack encryption, simulate molecules, and outpace rivals in everything from logistics to materials science.
Yet the field’s biggest hurdle remains scalability. Today’s quantum machines operate in isolation, limited by qubit type and short coherence times. Now, there is a fresh catalyst. IonQ (IONQ) just won a spot in the Defense Advanced Research Projects Agency's (DARPA) Heterogeneous Architectures for Quantum (HARQ) program, using its quantum memory and interconnect tech to link different qubit species into networked systems.