Tricking the uncertainty principle
(Phys.org) —Caltech researchers have found a way to make measurements that go beyond the limits imposed by quantum physics.
Quantum Physics
May 15, 2014
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News tagged with quantum nature
The beginning of everything: A new paradigm shift for the infant universe
(Phys.org)—A new paradigm for understanding the earliest eras in the history of the universe has been developed by scientists at Penn State University. Using techniques from an area of modern physics called loop quantum ...
General Physics
Nov 29, 2012
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Researchers unravel the mystery of quantum dot blinking
(PhysOrg.com) -- Research by Los Alamos scientists published today in the journal Nature documents significant progress in understanding the phenomenon of quantum-dot blinking. Their findings should enhance the ability of ...
Nanophysics
Nov 9, 2011
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Mechanical micro-drum cooled to quantum ground state
Showcasing new tools for widespread development of quantum circuits made of mechanical parts, scientists from the National Institute of Standards and Technology have demonstrated a flexible, broadly usable technique for ...
Quantum Physics
Jul 6, 2011
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Computational model captures the elusive transition states of chemical reactions
During a chemical reaction, molecules gain energy until they reach what's known as the transition state—a point of no return from which the reaction must proceed. This state is so fleeting that it's nearly impossible to ...
Analytical Chemistry
Dec 15, 2023
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Do measurements produce the reality they show us?
Whenever the precision of a measurement approaches the uncertainty limit defined by quantum mechanics, the outcomes of the measurement depend on the dynamics of the interactions with the meter used to determine a physical ...
Quantum Physics
Aug 24, 2023
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Casting light on counterfeit products through nano-optical technology
Each year, an estimated two trillion dollars is lost globally due to counterfeit products ranging from jewelry to medicine. As current security labels and product authentication methods are rapidly becoming obsolete or easy ...
Nanophysics
Mar 14, 2023
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Study points to physical principles that underlie quantum Darwinism
At the atomic and subatomic scales, objects behave in ways that challenge the classical worldview based on day-to-day interactions with macroscopic reality. A familiar example is the discovery that electrons can behave as ...
Quantum Physics
Apr 27, 2022
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Quantum physics sets a speed limit to electronics
How fast can electronics be? When computer chips work with ever shorter signals and time intervals, at some point they come up against physical limits. The quantum-mechanical processes that enable the generation of electric ...
Quantum Physics
Mar 25, 2022
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World's first commercial re-programmable satellite blasts into space
The world's first commercial fully re-programmable satellite lifted off from French Guiana on Friday on board an Ariane 5 rocket, ushering in a new era of more flexible communications.
Space Exploration
Jul 30, 2021
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