(PhysOrg.com) -- Maxwell’s demon may be making a comeback. Physicists know that the demon, an imaginary creature that decreases the entropy of a system, cannot exist in macroscopic systems due to the energy it requires ...
Materials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now, scientists have had little success creating ...
Nanomaterials
Nov 20, 2011
10
1
In June 2022, the U.S. Supreme Court overruled Roe v. Wade, effectively ending 50 years of federal protections to abortion care. As of October 2023, 26 states have since enacted laws to ban or restrict abortion access, with ...
Social Sciences
Nov 6, 2023
0
25
Using single calcite crystals with varying surface roughness allows engineers to simplify the complex physics that describes fault movement. In a new study from the University of Illinois Urbana-Champaign, researchers show ...
Earth Sciences
Aug 2, 2022
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90
Several species of California bumble bees have gone missing in the first statewide census of the fuzzy pollinators in 40 years. If they can be found, a recent court ruling could help save them.
Plants & Animals
Jun 16, 2022
0
45
Moore's law is an empirical suggestion stating that the number of transistors doubles every few years in integrated circuits (ICs). However, Moore's law has started to fail as transistors are now so small that current silicon-based ...
Condensed Matter
Oct 7, 2020
0
53
One app promotes itself as a way to discuss sensitive negotiations and human resources problems without leaving a digital record.
Internet
Jul 20, 2018
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99
Google and Microsoft said Friday they plan to join Apple in offering theft-deterring "kill switches" in their smartphone operating systems, as part of an agreement with mayors and police agencies.
Consumer & Gadgets
Jun 20, 2014
3
0
Virtual blueprints for the world's first 3D printable handgun found a safe harbor Friday at file-sharing website The Pirate Bay, dodging a US government attempt to pull them off the Internet.
Internet
May 10, 2013
46
0
Research physicists have demonstrated the first device capable of amplifying the information in a single particle of light without adding noise.
Quantum Physics
Nov 12, 2012
2
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