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Elisity sells software that limits which users and devices on a network can reach each other. IonQ said it would gain new channels for its post-quantum and quantum key distribution products through Elisity's more than 100 customer deployments.
Most of the 53 peer-reviewed experiments ran as simulations or quantum-inspired programs on ordinary computers. Their authors tested 41 only on toy or reduced datasets. The reviewers found no explicit demonstration of a quantum advantage.
Microwave atomic clocks keep GPS time, and Exail says more than 20 of its cold-atom gravimeters are deployed. Quantum navigation units, wearable brain scanners, and atom-based radio receivers are still being tested against the classical instruments they would replace.
