Philip Ball looks at how a little-known paper by Niels Bohr demonstrates the turmoil in physics on the brink of quantum ...

For example, according to classical physics, the electrons orbiting the nucleus should lose energy until they spiral down into the center, collapsing the atom. Bohr proposed adding to the model ...

In 1912 Bohr joined Rutherford. He realized that Rutherford's model wasn't quite right. By all rules of classical physics, it should be very unstable. For one thing, the orbiting electrons should ...

The Standard Model of particle physics explains the electromagnetic ... both particle and wave-like properties. In 1913, Neils Bohr proposed that electrons in an atom orbit the nucleus in discrete ...

When an electron dropped from a high-energy orbit to a lower-energy one, it gave out light with an energy equal to the ...

There’s quantum mechanics, the basic mathematical framework that underpins it all, which was first developed in the 1920s by Niels Bohr ... “standard model” of particle physics.

In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons orbited the nucleus in different energy levels or at specific distances from the nucleus. By doing this, he was able ...

This lecture marks a key moment in Bohr’s scientific journey, coming shortly after he had developed his model of the atom, which had revolutionized the field of atomic physics. Here’s a ...

Standard quantum theory as developed by the likes of Niels Bohr and Werner Heisenberg ... theories lie at the heart of the standard model of particle physics. The product of many decades of ...

2008.01.004; 2008). Rather, in Perovic's view, the case has to be discussed in a specific context — the context of Niels Bohr's model of the atom. Both matrix mechanics and wave mechanics were ...

His particular bone of contention was the Bohr–Sommerfeld model of the atom ... the twentieth century that the precepts of classical physics were not sufficient to explain observations of ...