For decades, physics has explained the transition from the quantum world to the classical world as a loss: coherence dissipates, superposition collapses, ...

One of the 100 GHz microresonator chips that lies at the heart of the novel lidar architecture. (Courtesy: Johann Riemensberger) In today’s fast-changing world, we are continuously upgrading our ...

Gaps in the coherence spectrum of diode lasers have been known to hinder research. Anselm Deninger and Thomas Renner look at how these gaps are being filled and the applications that are benefiting ...

More than 200 years ago, Count Rumford showed that heat isn’t a mysterious substance but something you can generate endlessly ...