High-order synthetic dimensions in waveguide photonic lattices

In physics, a very intuitive way of describing the evolution of a system proceeds via the specification of functions of the spatiotemporal coordinates. Yet, there often exist other degrees of freedom in terms of which the ...

March 2020 among hottest on record: EU

Temperatures last month were among the hottest on record for March, the European Union's satellite monitoring service said Monday, with particularly extreme warm weather over Russia, home to much of Earth's permafrost.

page 18 from 40