neilparker62's latest activity
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neilparker62 reacted to Razvan Mihai's post in the thread Our Beautiful Universe - Photos and Videos with
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Fireworks Galaxy and Pelican Nebula. Captured and stacked with Seestar S50; processed with Seti Astro Suite. Ploiești, Romania, bortle 6. -
neilparker62 reacted to WannabeNewton's post in the thread Insights Physics Forums Crackpot Index - Comments with Like.
I think claiming Newton was wrong should be 100 pts at the least xP
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neilparker62 reacted to anuttarasammyak's post in the thread High School What does it mean that Planck's constant is an energy oscillator? with Like.
Solution of time independent Shroedinger equation with energy eugenvalue E holds oscillating factor of e^{iE/ \hbar \ t} in time. That...
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neilparker62 replied to the thread Undergrad Transit time for a round trip to Alpha Centuri....Time and fuel problems aside - great discussion! Gives me goose bumps just to see us starting to think seriously about interstellar...
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neilparker62 reacted to wrobel's post in the thread Solving an elementary trigonometric equation with Like.
Perhaps it would be clearer to write: $$\sin x=a,\quad |a|\le 1\Longrightarrow$$ $$x=\arcsin a+2\pi n$$ and $$x=\pi-\arcsin a+2\pi...
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neilparker62 reacted to DennisN's post in the thread Our Beautiful Universe - Photos and Videos with Like.
It was a solar eclipse yesterday in Europe. Here in Sweden it was partial (ca 80%, if I remember correctly). I learned about it just...