The emission of photons by excited nuclei has been explored for timekeeping and sensing, but nuclear processes that eject electrons offer practical advantages. Electrons in atoms can exist only in ...
Figure 1. Interaction between the central circadian clock and peripheral clocks in T and B lymphocytes. Light signals perceived by the retina synchronize the central circadian clock located in the ...
In a groundbreaking discovery, physicists at the National Institute of Standards and Technology (NIST) have calculated for the first time the precise difference in time between Earth and Mars. On ...
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