Metasurfaces are artificial materials designed at the nanoscale, which can control the scattering of light with exceptionally high precision. Over the past decade or so, these materials have been used to create a variety ...
Intriguing things sometimes happen in places deserted by people. Plants creep back, animals return and, slowly, birdsong fills the air.
Plants & Animals
Apr 8, 2020
0
9
Melatonin controls the body clock—high melatonin levels make us feel tired in the evening. However, the hormone also plays an important role in animals' biological rhythms. Artificial light at night—light pollution—can ...
Environment
Apr 3, 2020
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26
Macquarie University researchers have developed an improved laser system that will help large optical telescopes to gather more accurate data.
Optics & Photonics
Apr 3, 2020
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193
When tides are at their highest a few days after a full or new moon, thousands of small silver fish called grunion flop onto Southern California beaches. Females wriggle their tails into the sand, males spray the females ...
Plants & Animals
Mar 17, 2020
0
213
Marine scientists have used the cover of darkness to expose how 'light pollution' is affecting creatures in the Arctic Ocean.
Plants & Animals
Mar 11, 2020
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21
Finding new semiconductor materials that emit light is essential for developing a wide range of electronic devices. But making artificial structures that emit light tailored to our specific needs is an even more attractive ...
Nanophysics
Feb 18, 2020
0
121
Habitat loss, pesticide use and, surprisingly, artificial light are the three most serious threats endangering fireflies across the globe, raising the spectre of extinction for certain species and related impacts on biodiversity ...
Plants & Animals
Feb 3, 2020
1
10767
Yes, fat cells deep under your skin can sense light. And when bodies do not get enough exposure to the right kinds of light, fat cells behave differently.
Cell & Microbiology
Jan 21, 2020
6
8675
The nondescript building on an industrial site near Kyoto gives little hint to the productivity inside: 30,000 heads of lettuce grow here daily, under artificial light and with barely any human intervention.
Environment
Dec 31, 2019
0
133
