Optical sensors can quantitatively analyze chemical and biological samples by measuring and processing the optical signals produced by the samples. Optical sensors based on infrared absorption spectroscopy can achieve high ...
Analytical Chemistry
Jan 13, 2021
0
7
Most organisms on Earth depend on the energy from the sun. Sunlight is also an important coordinator of life's timers. Animals take important cues for proliferation, activity, feeding, or sleep from changing light conditions. ...
Evolution
Jan 11, 2021
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42
In a step toward making more accurate and uniform 3-D-printed parts such as personalized prosthetics and dental materials, researchers at the National Institute of Standards and Technology (NIST) have demonstrated a method ...
Polymers
Dec 10, 2020
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24
Researchers at Oregon State University are making key advances with a new type of optical sensor that more closely mimics the human eye's ability to perceive changes in its visual field.
Optics & Photonics
Dec 8, 2020
1
3565
Many species of birds have always migrated south in the fall to spend the winter there, including the small blackcap, which often weighs only a few grams and yet covers thousands of kilometers. However, changes in our landscapes ...
Plants & Animals
Nov 5, 2020
0
41
In a project funded by National Geographic, ECE researchers are teaming up with the department of Ecology and Evolutionary Biology to advance our understanding of monarch butterfly migration with the most ambitious iteration ...
Ecology
Oct 27, 2020
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15
Researchers in Australia have resolved a fundamental challenge preventing the wide uptake of next-generation perovskite solar cells.
Materials Science
Oct 19, 2020
0
11
Plasmonic metasurfaces are artificial 2-D sheets of plasmonic unit cells repeated in a subwavelength array, which give rise to unexpected wave properties that do not exist in nature. In the linear regime, their applications ...
Optics & Photonics
May 26, 2020
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5
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
Engineers at the Tokyo Tech have found a new approach to taking a measurement over an extended area. The technique is based on coupled chaotic oscillators, which are highly sensitive electronic circuits that can interact ...
Optics & Photonics
Mar 25, 2020
0
3
