Sniff test for explosives detection extends its reach
Scientists have developed a way to detect tiny amounts of hard-to-detect explosives more than eight feet away, reducing the need to swipe clothing, luggage or other materials.
Scientists have developed a way to detect tiny amounts of hard-to-detect explosives more than eight feet away, reducing the need to swipe clothing, luggage or other materials.
Analytical Chemistry
Aug 6, 2024
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84
The discovery of ancient rock walls and high mounds and ditches in dense jungle in the Falefa Valley on 'Upolu Island in Sāmoa holds valuable clues to the origins of ancestral land and social hierarchy in Polynesian society, ...
Archaeology
Jun 24, 2024
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13
A team of researchers has unveiled a novel approach to accurately characterizing tree height composition in forests using the Global Ecosystem Dynamics Investigation (GEDI) Light Detection and Ranging (LiDAR) technology. ...
Ecology
Apr 15, 2024
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1
Researchers from the Niels Bohr Institute (NBI) have removed a key obstacle for development of extremely sensitive monitoring devices based on quantum technology.
Optics & Photonics
Nov 8, 2023
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81
The 200 million Europeans who live in coastal zones are already feeling the impact of global warming through extreme variations in sea level and flooding.
Earth Sciences
May 3, 2023
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4
Researchers have shown that a detection technology borrowed from quantum optics can be used to perform optical coherence tomography (OCT) with much lower light power than previously possible. This could greatly improve the ...
Optics & Photonics
Jun 17, 2020
1
151
Superconducting nanowire single-photon detectors (SNSPDs) are significantly better at photon detection efficiency (DE) compared to their semiconducting counterparts, and have enabled many breakthrough applications in quantum ...
Superconductivity
Nov 10, 2017
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13
An authority on social data, Susan Etlinger argues we need to apply critical thinking and exercise caution as we enter the age of "data ubiquity."
Other
Dec 15, 2016
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10
With each terrorist attack on another airport, train station or other public space, the urgency to find new ways to detect bombs before they're detonated ratchets up.
Analytical Chemistry
Jul 7, 2016
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10
Tumor markers are biological substances, usually proteins, that provide early indication of cancerous or benign tumors in the body.
Bio & Medicine
Sep 22, 2015
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65