Remote sensing has long been a crucial tool in archaeology, with optical and radar imaging maturing significantly. However, detecting sub-surface features and monitoring heritage sites under various environmental conditions ...
Archaeology
Jun 4, 2024
0
0
Photochromic compounds, which change their color when exposed to light, have been widely used as photo switches to control different properties of materials. Nonlinear photochromic compounds, characterized by a nonlinear ...
Analytical Chemistry
May 28, 2024
0
98
In the first successful attempt to calibrate walrus counts from satellite imagery, scientists used drones to validate animal counts in Svalbard, Norway. On this International Day for Biological Diversity, the researchers ...
Plants & Animals
May 23, 2024
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32
NASA's "Wildfire Digital Twin" project will equip firefighters and wildfire managers with a superior tool for monitoring wildfires and predicting harmful air pollution events and help researchers observe global wildfire trends ...
Earth Sciences
May 21, 2024
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25
A low-cost, tin-based catalyst can selectively convert carbon dioxide to three widely produced chemicals—ethanol, acetic acid and formic acid.
Analytical Chemistry
May 21, 2024
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1130
Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences, in collaboration with researchers at Central China Normal University, have developed a high-performance perovskite X-ray complementary ...
Condensed Matter
May 21, 2024
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23
Scientists have made a breakthrough in significantly improving the sharpness of X-ray imaging and potentially boosting the speeds at which X-ray scans can be processed. This lays the groundwork for both better medical imaging ...
Nanophysics
May 16, 2024
0
72
A nonnative tree-killing insect is invading northern Utah, attacking subalpine fir and potentially triggering yet another die-off of the region's long-stressed conifer forests.
Plants & Animals
May 14, 2024
0
10
Single-pixel imaging (SPI) is a novel computational imaging technique that has been widely studied in recent years. This technique only uses a single pixel detector without spatial resolution to obtain the spatial information ...
Optics & Photonics
May 13, 2024
0
3
When an ordinary electrical conductor—such as a metal wire—is connected to a battery, the electrons in the conductor are accelerated by the electric field created by the battery. While moving, electrons frequently collide ...
Nanophysics
May 13, 2024
0
161
