As the 19th century came to a close, physicists were feeling pretty satisfied with the state of their science. The great edifice of physical theory seemed complete. A few minor experiments remained to ...

In the late 1800s, no one knew what light was. Everyone knew it behaved like a wave some of the time, but all waves need to travel through some propagation medium. This propagation medium was called ...

Science continually evolves, moving away from once-accepted theories that now seem outdated. This video explores five significant theories that were replaced by more accurate explanations, ...

Yesterday a gentleman posted a comment on an article I wrote about the luminiferous aether. For those who aren't familiar, the aether was an idea proposed in the 1800s to explain how light can travel ...

Albert Michelson was a Polish immigrant who grew up in the hard-scrabble atmosphere of the California gold rush. He relied on an appeal to then-President Ulysses Grant to gain admission to the Naval ...

(via PBS Space Time) As the 19th century came to a close, physicists were feeling pretty satisfied with the state of their science. The great edifice of physical theory seemed complete. A few minor ...