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Ultra-high-energy cosmic rays from protons to iron nuclei all hit the same energy cliff — a pattern nobody had seen in 100 years of data
For more than a century, physicists have watched particles rain down from space carrying energies that dwarf anything a ...
For new, human-made heavy elements on the periodic table, being “too ‘big’ for your own good” often means instability and a fleeting existence. The more protons and neutrons scientists squeeze ...
The word magic is not often used in the context of science. But in the early 1930s, scientists discovered that some atomic nuclei—the center part of atoms, which make up all matter—were more stable ...
In the search for superheavy elements, element 112 was a stepping stone towards the 'islands of stability'. Sigurd Hofmann now relates the steps that led to its 'creation' and detection. Element 112 ...
An element is defined according to the number of protons contained inside the nucleus of each atom. No two elements have the same number of protons, hence each element has a unique atomic number. The ...
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