Thursday, May 14, 2020

A new fundamental force of nature?

Can you list the four forces that drive the cosmic narrative? Daniel Cossins lists them in New Scientist.
...Forces drive the cosmic narrative. They tell its various actors, from particles to planets, how to move and behave – things that would otherwise seem inexplicable (see “What is a force?”). The four fundamental forces we know of are gravity, electromagnetism, the weak nuclear force and the strong nuclear force (see “The familiar four”). Of these, gravity is the outlier, the only one with no quantum field or particle attached to it and which can’t be described …
Cossins suggests that
Multiple indications seem to be showing that something is manipulating the universe beyond the four basic forces we know – and we are starting to work out what it is.

Read more here.

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