Quantum calculations amount to sophisticated estimates. But in 1931, Hans Bethe intuited precisely how a chain of particles ...

J.J. Thomson — a professor of experimental physics at the University of Cambridge, who in 1897 discovered the electron and in 1904 proposed a model of the atom — was the first person to be ...

Consequently, potassium and calcium have the following electon configurations. Writing out all the orbitals can be a bit laborious and so a frequent shorthand way is to write the electron ...

In this topic, we will concern ourselves with the elements of the third period: scandium to zinc. The electron configurations of the 3rd period d-block elements are shown below: The electron ...

The iron lung, conceptualized in the late 1920s, was most notably the first line of defense against polio during the epidemics that occurred between 1948 to 1955. The device saved the lives of ...

Of particular note is the demonstrably smooth transition between classical covalent bonding and electron-rich multi ... but consists of only one type of atom," says Professor Schnohr.

In a new study, Professor Hui Wei and coworkers have introduced a predictive descriptor—t 2 occupancy—to guide the design of spinel oxide-based nanozymes with enhanced peroxidase-like (POD ...

WELLINGTON, New Zealand — Among other false and misleading claims in U.S. President Donald Trump’s inauguration addresses on Tuesday, his declaration that Americans “split the atom ...

The recent inaugural address of President Donald Trump has sparked a heated debate over the origins of a groundbreaking scientific achievement: splitting the atom. Trump's claim that American ...

Last spring, when the sculpture — briefly titled “Steel Horse” and then “Pegasus” by the artist, but popularly known as Iron Horse — was extricated from a concrete pad in a cornfield ...