Investigating the impact of new energy efficient streetlights on insects
New energy efficient streetlights are playing a major role in influencing insect behavior, says NIWA.
Ecology
Oct 3, 2022
0
6
News tagged with led light
How an effort to reduce fossil fuel use led to another environmental problem: Light pollution
In 2014, Los Angeles cut its annual carbon emissions by 43% and saved $9 million in energy costs by replacing the bulbs in more than half of the city's street lamps with light-emitting diodes.
Environment
Sep 23, 2022
0
41
The dark side of LEDs: Suppression of melatonin by blue light
You may have heard that exposure to blue light can disrupt your sleep. As it turns, out it's also harmful to wildlife.
Plants & Animals
Sep 9, 2022
2
101
'Exciton surfing' could enable next-gen energy, computing and communications tech
A quasiparticle that forms in semiconductors can now be moved around at room temperature, a University of Michigan-led study has shown. The finding could cool down computers, enabling faster speeds and higher efficiencies, ...
Optics & Photonics
Feb 15, 2022
0
400
Asymmetry is key to creating more stable blue perovskite LEDs
Researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have developed blue LEDs based on a material called metal halide perovskite, that, for the first time, uses asymmetrical bridges ...
Materials Science
Jan 25, 2022
0
66
Why the changing color of streetlights could be a danger for insect populations
Life on Earth has evolved alongside predictable cycles of day and night. But this pattern has become increasingly blurred. Between 2012 and 2016, satellite measurements revealed that the global area polluted by artificial ...
Plants & Animals
Aug 26, 2021
0
386
After street lights in an entire county were swapped to LEDs, light pollution got worse
"The best laid plans of mice and men often go awry"—this famous paraphrase of Scottish poet Robert Burns sometimes sums up human ingenuity. That is exactly what happened when a county in Washington State decided to replace ...
Environment
Jul 9, 2021
9
27
New photonics research makes smaller, more efficient virtual and augmented reality tech possible
Researchers from North Carolina State University and the University of Texas have developed and demonstrated a new approach for designing photonic devices. The advance allows them to control the direction and polarization ...
Optics & Photonics
Feb 1, 2021
0
61
Blue light means big progress for perovskite-based LEDs
Researchers at Linköping University, Sweden, have developed efficient blue light-emitting diodes based on halide perovskites. "We are very excited about this breakthrough," says Feng Gao, professor at Linköping University. ...
Materials Science
Jan 13, 2021
1
297
Optoelectronic devices that emit warm and cool white light
The advantages of light-emitting diodes (LEDs), such as their tiny size, low cost and excellent power efficiency, mean they are found everywhere in modern life. A KAUST team has recently developed a way of producing a white-light ...
Optics & Photonics
Dec 21, 2020
2
41
