What you can do to reduce light pollution
As the old saying goes, many hands can make light work. They can also work together to make light vanish.
Ecology
Sep 23, 2022
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Page 14 - News tagged with light sensors
Liquid core fibers: A data river runs through them
Data and signals can be transmitted quickly and reliably with glass fibers—as long as the fiber does not break. Strong bending or tensile stress can quickly destroy it. An Empa team has now developed a fiber with a liquid ...
Polymers
Jul 29, 2021
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Researchers develop wearable sensor to monitor oxygen levels through skin
Researchers have combined a new oxygen-sensing film with machine learning to create a wearable sensor capable of measuring tissue oxygenation through skin. The device could be used to monitor a person's oxygen levels on a ...
Optics & Photonics
Jun 30, 2021
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Development of a broadband mid-infrared source for remote sensing
A research team of the National Institutes of Natural Sciences, National Institute for Fusion Science and Akita Prefectural University has successfully demonstrated a broadband mid-infrared (MIR) source with a simple configuration. ...
General Physics
Mar 31, 2021
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Optogenetics: A novel light sensor built from algal enzymes
The unicellular green alga Chlamydomonas reinhardtii has already given research a massive boost: One of its light sensors, channelrhodopsin-2, founded the success of optogenetics about 20 years ago.
Biotechnology
Mar 29, 2021
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Water disinfection with ozone
While chlorine and ultraviolet light are the standard means of disinfecting water, ozone is equally effective in killing germs. To date, ozone has only been used as an oxidation agent for treating water in large plants. Now, ...
Environment
Feb 1, 2021
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Novel sensor to measure atmospheric aerosols and nitrogen dioxide simultaneously
Recently, Prof. Gao Xiaoming's group from the Anhui Institute of Optics and Fine Mechanics (AIOFM) of the Hefei Institutes of Physical Science (HFIPS) designed and manufactured a photoacoustic spectroscopy-based sensor to ...
Analytical Chemistry
Jan 6, 2021
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Research team identifies second-harmonics generation interference in 2-D heterobilayers
Since the invention of world's first laser—the ruby laser—in 1960, the human desire to control light has spread to various industries, including telecommunications, medicine, GPS, optical sensors and optical computers. ...
Nanophysics
Dec 17, 2020
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Sensor for non-spoofable biometric identification easily integrated in smart phones
Holst Center has demonstrated the world's first organic near-infrared large-area image sensor capable of detecting the unique pattern of veins in a person's hand via reflected light. The sensor opens the door to highly secure, ...
Optics & Photonics
Jul 15, 2020
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Smart windows that self-illuminate on rainy days
Smart windows that automatically change colors depending on the intensity of sunlight are gaining attention as they can reduce energy bills by blocking the sun's visible rays during summer. But what about windows that change ...
Materials Science
May 29, 2020
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