What happens when a cat climbs onto a sunflower? The sunflower is unstable, will quickly bend, and the cat will fall to the ground. However, if the cat only needs a quick boost to catch a bird from there, then the sunflower ...
Analytical Chemistry
Apr 4, 2022
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31
(Phys.org)—An international team of scientists has taken the next step in creating nanoscale machines by designing a multi-component molecular motor that can be moved clockwise and counterclockwise.
Nanophysics
Jan 10, 2013
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0
(Phys.org)—Supernovae, the explosive deaths of massive stars, are among the most momentous events in the cosmos because they disburse into space all of the chemical elements that were produced inside their progenitor stars, ...
Astronomy
Sep 18, 2012
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0
The Fe2+ atom embedded in a semiconductor exhibits a single non-degenerate ground state of zero magnetic moment. A team of scientists from the University of Warsaw has just shown that by using a sufficiently large strain, ...
General Physics
Jan 29, 2016
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10
When a piece of metal is cooled down, it becomes easier for electrons to move through the material. Therefore, the electrical resistance of a metal normally decreases with lower temperatures. However, in the presence of magnetic ...
General Physics
Jan 25, 2013
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(Phys.org) —Study at NSLS may help reveal the role of mantle oxidation states in understanding the Earth's deep interior.
Earth Sciences
Jun 26, 2013
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After a journey of seven years and nearly 4 billion miles, NASA's OSIRIS-REx spacecraft landed gently in the Utah desert on the morning of Sept. 24, 2023, with a precious payload. The spacecraft brought back a sample from ...
Space Exploration
Oct 24, 2023
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1
The chemical precursors of present-day biomolecules could have formed not only in the deep sea at hydrothermal vents, but also in warm ponds on the Earth's surface. The chemical reactions that may have occurred in this "primordial ...
Biochemistry
Jun 23, 2022
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204
Miniaturization is the magic word when it comes to nanomagnetic devices intended for use in new types of electronic components. Scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have proposed the use of ion ...
General Physics
Nov 23, 2015
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10
Styrene, the chemical used to make polymers and resins used in plastic, disposable containers, latex, synthetic rubber, insulation and more, is ubiquitous to everyday life.
Polymers
Jul 7, 2022
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