Snapshots of the hydrogen jet Shadowgraphs at the time of impact of the high-intensity laser pulse on the jet of hydrogen. A weaker light pulse sent in advance ...
An element's atomic number defines it. An element with 17 protons will always be chlorine. However an element's mass numbers can vary, which means that it can have different numbers of neutrons. So ...
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 ...
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