Superradiant atoms can help us measure time more precisely than ever. In a recent study, researchers from the University of Copenhagen present a new method for measuring the time interval, the second, mitigating some of the ...
General Physics
Apr 22, 2024
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107
Sport junkie or couch potato? Always on time or often late? The animal kingdom, too, is home to a range of personalities, each with its own lifestyle. In a study just released in the journal PLOS Biology, a team led by Sören ...
Ecology
Apr 11, 2024
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10
INRAE researchers have discovered that female pheromones play a remarkable role in the African cotton moth. In general, these pheromones trigger mate attraction, promoting encounters between males and females during reproductive ...
Ecology
Apr 9, 2024
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2
Struggle to wrap your head around daylight savings? Spare a thought for the world's timekeepers, who are trying to work out how climate change is affecting Earth's rotation—and in turn, how we keep track of time.
Planetary Sciences
Mar 27, 2024
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109
Functional eyes are not required for a working circadian clock in zebrafish, as a research team including CNRS scientists has now shown. The work is published in the journal PLOS Genetics.
Plants & Animals
Mar 7, 2024
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1
Quantum sensor technology promises even more precise measurements of physical quantities. A team led by Christian Roos at the University of Innsbruck has now compared the signals of up to 91 quantum sensors with one another ...
Optics & Photonics
Mar 4, 2024
0
80
To ensure that plants flower at the right time of year, they possess an internal clock that enables them to measure the amount of daylight during a day. In a study published in the journal Plant Physiology, biologists from ...
Molecular & Computational biology
Feb 23, 2024
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1
While atomic clocks are already the most precise timekeeping devices in the universe, physicists are working hard to improve their accuracy even further. One way is by leveraging spin-squeezed states in clock atoms.
Optics & Photonics
Feb 19, 2024
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195
Atomic clocks are a class of clocks that leverage resonance frequencies of atoms to keep time with high precision. While these clocks have become increasingly advanced and accurate over the years, existing versions might ...
Rice (Oryza sativa L.) is the staple food for more than half of the world's population. Based on mathematical modeling, worldwide cereal production is estimated to have a loss of 6%–7% yield per 1°C increase in seasonal ...
Molecular & Computational biology
Jan 30, 2024
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21
A clock is an instrument used to indicate, keep, and co-ordinate time. The word clock is derived ultimately (via Dutch, Northern French, and Medieval Latin) from the Celtic words clagan and clocca meaning "bell". A silent instrument missing such a mechanism has traditionally been known as a timepiece. In general usage today a "clock" refers to any device for measuring and displaying the time. Watches and other timepieces that can be carried on one's person are often distinguished from clocks.
The clock is one of the oldest human inventions, meeting the need to consistently measure intervals of time shorter than the natural units: the day; the lunar month; and the year. Devices operating on several different physical processes have been used over the millennia, culminating in the clocks of today.
This text uses material from Wikipedia, licensed under CC BY-SA
