AFTER repeated failures I have now succeeded in observing the mass rays of ... that the masses of the isotopes of zirconium must be very closely integral with those of bromine; that is to say ...

Andrew Rogers: physicists have spotted mirror symmetry violation in strontium-73 and bromine-73 ... of strontium-73’s mass and also use beta nuclear magnetic resonance (β-NMR) to determine the ...

But researchers have tweaked the atomic weights of five elements — magnesium, bromine ... as isotopes. [Image Gallery: Stunning Peek Inside Molecules] You may like Elusive neutrinos' mass ...

But researchers have tweaked the atomic weights of five elements — magnesium, bromine, germanium ... 818(1), based on a new calculations with a mass spectrometer, a sensitive instrument that ...