Happy 100th birthday to the Bohr atom
AB Lagrelius & Westphal, via Wikipedia (Niels Bohr photo); N.A.Sharp, NOAO/NSO/Kitt Peak FTS/AURA/NSF (solar spectrum) Niels Bohr's model of the hydrogen atom—first published ... which required the development of quantum mechanics in the 1920s.
Museum to Display Working Model of Atom
THE New York Hall of Science has created what its director believes to be the world's first realistic working model of an atom. The new ''quantum ... viewer does not see the moving screen or any of the projection apparatus, only the image of a hydrogen ...
Electron Cloud Model
The electron cloud model is an atom ... we can only describe electron locations in terms of most probable regions with fuzzy boundaries – thus the term ‘cloud’. As mentioned earlier, the electron cloud model is a product of quantum mechanics.
A New Model Of Quantum Dots: Rethinking The Electronics
To do so they used PEtot, a quantum-mechanical electronic ... the center of a 933-atom quantum dot of gallium arsenide. To replicate a realistic quantum dot, they "passivated" the atoms on its surface with fractionally charged hydrogen-like atoms ...
The development of the atomic model
If new evidence comes along, the model gets changed. There are several other websites that describe ... quantum mechanics without us humans even noticing. It turns out that we can’t really say anything about the trajectory or position of electrons in an ...