PBS
Why Is 1/137 One of the Greatest Unsolved Problems In Physics?
The Fine Structure Constant is one the strangest numbers in all of physics. It’s the job of physicists to worry about numbers, but there’s one number that physicists have stressed about more than any other. That number is 0.00729735256 -...
PBS
What Do Stars Sound Like?
We can now map the interiors of stars by "listening" to their harmonies as they vibrate with seismic waves.
Bozeman Science
Photons
In this video Paul Andersen explains how light travels in photons which can be described as both particles and waves. Einstein showed that photons can be described as particles using the photoelectric effect to show that the energy of a...
Curated Video
Line Spectra: The Fingerprints of Atoms
Line spectra are unique patterns of light emitted or absorbed by atoms, resembling discrete lines. These patterns serve as the "fingerprints" of different elements, providing critical insights into atomic structure and composition....
Curated Video
Bohr's Atomic Model: Electrons in Orbit
In 1913, Niels Bohr proposed an atomic model that dramatically altered our comprehension of atomic structure by establishing a novel framework for describing the arrangement and behaviour of electrons within an atom. The purpose of...
Curated Video
Hunting Exoplanets
Astrophysicist Scott Tremaine, Institute for Advanced Study, describes the issues associated with the search for exoplanets, highlighting how we actually had the technology to find them years ago but were limited by our own conceptions...
msvgo
Bohr Model of the Hydrogen Atom
This nugget explains the features and mathematical expressions of Bohr's model and its advantages over Rutherford's model.
NASA
NASA in Silicon Valley: Understanding Star Formation in the Nucleus of Galaxy IC 342: Podcast
A feature from NASA's Ames Research Center in Silicon Valley originally posted on May 23, 2017.