Increasing dependency on the global navigation satellite system (GNSS) constellations is raising concerns about what happens when signals are unavailable, even for short periods of time. GNSS systems ...

Vaccine verification is critical to any country’s ability to control the course of the pandemic. Having a reliable, secure, and accurate verification system gives governments, businesses, schools, or ...

Scientists have found that microscopic gold clusters can act like the world’s most accurate quantum systems, while being far easier to scale up. With tunable spin properties and mass production ...