Most crystalline materials are polycrystals, such as metals. They are composed of many small crystalline grains with different lattice orientations. The interface between two crystalline grains, i.e., the grain boundary, ...
Nanophysics
Apr 27, 2023
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6
Extreme cold is merciless on machinery. Fluids thicken to useless goo. Rubber seals stiffen and crack.
Space Exploration
Apr 17, 2023
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16
One way to reduce the damage caused by avalanches in the mountains is to place obstacles in their path. These obstacles can be artificial barriers or natural forests. Knowing how the avalanche interacts with obstacles is ...
Photoexcitation, and especially photoionization, is one of the most important manifestations of the light-matter interaction in nature, ranging from photosynthesis in plants and vision in biology to photography and laser ...
Optics & Photonics
Apr 4, 2023
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18
Scientists have discovered a new and renewable source of water on the moon for future explorers in lunar samples from a Chinese mission.
Planetary Sciences
Apr 2, 2023
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From fiber optic cables to smartphones, glass is playing a major role in emerging technology. To learn more about how glass will shape future society, we spoke with Katelyn Kirchner, a doctoral candidate at Penn State, who ...
Materials Science
Mar 28, 2023
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6
The ancient art of origami is well known for transforming sheets of paper and other foldable materials into complex 3D shapes. But now, chemical engineers have extended the centuries-old practice to produce intricate shapes ...
Materials Science
Mar 28, 2023
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56
Lunar surface water has attracted much attention due to its potential for in-situ resource utilization by future lunar exploration missions and other space missions
Space Exploration
Mar 27, 2023
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21
The widespread use of persistent, non-biodegradable glass that cannot be naturally eliminated causes long-term environmental hazards and social burdens.
Biochemistry
Mar 17, 2023
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136
Australian media have been widely criticized for not representing the diversity of the community they speak to and write for—nor, importantly, the people they report on. Our latest research shows that while the news industry ...
Social Sciences
Mar 9, 2023
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