Absolute zero in the quantum computer: Formulation for the third law of thermodynamics
When many quantum particles interact, complex systems can be formed. And this complexity allows reaching a temperature of absolute zero—at least in principle.
When many quantum particles interact, complex systems can be formed. And this complexity allows reaching a temperature of absolute zero—at least in principle.
Quantum Physics
Apr 4, 2023
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335
When the Kinks' Ray Davies penned the tune "Last of the Steam-Powered Trains," the vanishing locomotives stood as nostalgic symbols of a simpler English life. But for a paleontologist at the University of Kansas, the replacement ...
Evolution
Mar 28, 2023
2
511
A chunk of weather-beaten flotsam that washed up on a New York shoreline after Tropical Storm Ian last fall has piqued the interest of experts who say it is likely part of the SS Savannah, which ran aground and broke apart ...
Archaeology
Feb 24, 2023
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27
Are we free or are our actions determined by the laws of physics? And how much free will do we actually want? These questions have troubled philosophers for millennia—and there are still no perfect answers.
Other
Oct 10, 2022
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5
Researchers from TU Delft have constructed the smallest flow-driven motors in the world. Inspired by iconic Dutch windmills and biological motor proteins, they created a self-configuring, flow-driven rotor from DNA that converts ...
Bio & Medicine
Aug 4, 2022
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134
What do quantum computers have to do with smog-filled London streets, flying submarines, waistcoats, petticoats, Sherlock Holmesian mysteries, and brass goggles?
Quantum Physics
Apr 1, 2022
1
502
One of the most spectacular facts of the last two centuries of economic history is the exponential growth in GDP per capita in most of the world. Figure 1 shows the rise (and the difference) in living standards for five countries ...
Economics & Business
May 31, 2019
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186
An international team of researchers has measured a quantum power increase in a quantum boost engine for the first time. In their paper published in the journal Physical Review Letters, the group outlines their experiments ...
Information processing requires a lot of energy. Energy-saving computer systems could make computing more efficient, but the efficiency of these systems can't be increased indefinitely, as ETH physicists show.
General Physics
Apr 11, 2018
1
47
Have you ever seen a drop of water navigate a maze? It's possible thanks to the same phenomenon that lets you know if a griddle is hot enough for pancake batter. Water droplets that dance and skitter across a hot surface ...
Condensed Matter
May 16, 2017
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4