Mode-locked fibre lasers generating ultrashort pulses with the advantages of robustness, compactness and excellent beam quality are of tremendous interest in applications such as laser material processing, medicine, precision ...
Optics & Photonics
May 26, 2020
0
4
Noises produced by European spiny lobsters—known as antennal rasps—may be detectable up to 3 kilometers underwater, according to a study in Scientific Reports. The sound, created when lobsters rub an extension of their ...
Plants & Animals
May 21, 2020
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504
For the first time, seismologists can characterize signals as a result of some industrial human activity on a continent-wide scale using cloud computing. In two recently published papers in Seismological Research Letters, ...
Earth Sciences
May 20, 2020
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27
A sandwich of molybdenum, sulfur and selenium turns out to be deliciously useful for detecting biomolecules.
Nanomaterials
May 14, 2020
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142
The 2018 opening of the FreshDirect warehouse in Mott Haven, Bronx, significantly increased truck and vehicle flow within that neighborhood, according to a study led by scientists at Columbia University Mailman School of ...
Environment
May 12, 2020
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7
For decades, it has been assumed that a quieter ocean could help take the Salish Sea's southern resident killer whales off the endangered species list. But researchers lacked enough data to test this theory—until now.
Plants & Animals
May 11, 2020
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20
Many emerging technologies rely on high-quality lasers. Laser-based LiDAR sensors can provide highly accurate scans of three-dimensional spaces, and as such are crucial in applications ranging from autonomous vehicles to ...
Optics & Photonics
May 7, 2020
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84
On a Friday, in late February, during rush-hour in Truro, N.S., I recorded 80 seconds of noise dynamics at a four-way intersection. I returned on April 3 after the COVID-19 restrictions sent people in Canada indoors. More ...
Plants & Animals
May 6, 2020
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3
Researchers at the National Astronomical Observatory of Japan (NAOJ) have used the infrastructure of the former TAMA300 gravitational wave detector in Mitaka, Tokyo, to demonstrate a new technique to reduce quantum noise ...
Astronomy
Apr 28, 2020
3
76
Around the world, people are collectively making noise while social distancing. In Colorado, we're howling like wolves. Joanna Lambert, a professor in the Program of Environmental Studies, studies wolf communication.
Social Sciences
Apr 24, 2020
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12
