Present and future of nonlinear optical metasurfaces

One of the main objectives of optics is the control of light propagation and confinement. Progress in optics historically started with the development of bulky lenses and mirrors, then prisms and gratings, and so on. The ...

Europe's major tourist sites battle climate change to survive

Climate change is destroying heritage sites across Europe and globally. Ancient historical landmarks could disappear completely unless swift action is taken to protect them from environmental damage, researchers are warning.

Study finds happiness in multiracial neighborhoods

A strong majority of people in the most diverse communities near Washington, D.C., say they're happy with where they live, according to a new study of race and neighborhood satisfaction.

Pacific looks to international court for help on climate

Climate-threatened Pacific islands are pushing for the International Court of Justice to throw its weight behind efforts to arrest climate change, with the initiative gaining support at a key regional summit in Fiji Wednesday.

China is considering a nuclear-powered mission to Neptune

One look at the Planetary Decadal Survey for 2023–2032, and you will see some bold and cutting-edge mission proposals for the coming decade. Examples include a Uranus orbiter and probe (UOP) that would study Uranus' interior, ...

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