Research unlocks supernova stardust secrets
Curtin University-led research has discovered a rare dust particle trapped in an ancient extra-terrestrial meteorite that was formed by a star other than our sun.
Curtin University-led research has discovered a rare dust particle trapped in an ancient extra-terrestrial meteorite that was formed by a star other than our sun.
Astronomy
Mar 27, 2024
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300
Tiny particles like pollen grains move constantly, pushed and pulled by environmental forces. To study this motion, physicists use a "random walk" model—a system in which every step is determined by a random process. Random ...
Mathematics
Mar 13, 2024
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83
A new planet starts its life in a rotating circle of gas and dust, a cradle known as a protostellar disk. My colleagues and I have used computer simulations to show that newborn gas planets in these disks are likely to have ...
Astronomy
Feb 17, 2024
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41
Eighteen years after NASA's Stardust mission returned to Earth with the first samples from a known comet, the true nature of that icy object is coming into focus.
Planetary Sciences
Jan 16, 2024
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7299
In recent years, there has been rising concern that tiny particles known as microplastics are showing up basically everywhere on Earth, from polar ice to soil, drinking water and food. Formed when plastics break down into ...
Environment
Jan 8, 2024
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558
Bayreuth researchers have found ways to control tiny particles in liquids using magnetic patterns. The research results have now been published in Nature Communications under the title "Simultaneous and independent topological ...
Nanophysics
Dec 6, 2023
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68
From the depths of the seas to snow on mountains and even the air above cities, microplastics are turning up increasingly often. Now, in Environmental Science & Technology Letters, researchers have analyzed microplastics ...
Earth Sciences
Nov 15, 2023
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255
A team of engineering students has recently developed and tested a bench-top particle accelerator they call LOKI, to test what happens to different materials when they are hit by micrometeoroids. The device, discussed in ...
General Physics
Oct 30, 2023
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14
Three scientists won the Nobel Prize in chemistry Wednesday for their work on quantum dots—tiny particles just a few nanometers in diameter that can release very bright colored light and whose applications in everyday life ...
Materials Science
Oct 4, 2023
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1104
Microplastics in our natural environments are of increasing concern as these tiny particles (