When two hydrogen atoms get close enough, the electron from each atom feels an attraction from the proton in the other atom's nucleus. This attraction pulls the atoms together. The electrons end up ...
Atomic nuclei, composed of protons and neutrons, hide quarks and gluons at their core. These latter particles, still challenging to study, have long eluded scientists. In the mid-20th ...
In the past, such events were regarded as 'momentary' or 'instantaneous': An electron orbits the nucleus of an atom -- in the next moment it is suddenly ripped out by a flash of light. Two ...
The nucleus is the double membrane limited structure within an eukaryotic cell that contains the chromosomes, and where the DNA is replicated or transcribed into RNA. The membrane is perforated by ...