evolvable,
@evolvable@aus.social avatar

I want to understand this, but I can’t grok more than the headline and the potential applications. Is anyone able to explain it to someone whose physics knowledge is Year 12 + Vertasium? Like, how do massless photons even have momentum?!
#science #lazyweb
https://mastodon.social/@ScienceScholar/112401789379876027

tschenkel,
@tschenkel@mathstodon.xyz avatar

@evolvable

You can't explain photon momentum using classical mechanics. It's a quantum effect. This gives a good explanation of it:

https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/29%3A_Introduction_to_Quantum_Physics/29.04%3A_Photon_Momentum

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