jadelord

joined 1 year ago
MODERATOR OF
[–] [email protected] 30 points 1 week ago (3 children)

If it is a pay what you want model I am all for it. This would be similar to how elementary OS st

The problem with a fixed price is you have to always calibrate it according to the economy of the user's geolocation. What is cheap for a person from a developed world may be unaffordable for a third world county.

[–] [email protected] 4 points 1 week ago (14 children)

The follow up question would be the opposing force which keeps them in orbit(als)? This balance of force was called the planetary model which has this shortcoming that electrons might fall into the nucleus.

If electrons actually followed such a trajectory, all atoms would act is miniature broadcasting stations. Moreover, the radiated energy would come from the kinetic energy of the orbiting electron; as this energy gets radiated away, there is less centrifugal force to oppose the attractive force due to the nucleus. The electron would quickly fall into the nucleus, following a trajectory that became known as the "death spiral of the electron". According to classical physics, no atom based on this model could exist for more than a brief fraction of a second.

https://chem.libretexts.org/Courses/Northern_Alberta_Institute_of_Technology/CHEM1130_Principles_in_Chemistry_I/2%3A_Quantum_Mechanical_Picture_of_the_Atom/2.05%3A_The_Bohr_Atom

I am trying to recall what kind of forces enable the orbitals of electrons according to Quantum Mechanics.

 

Or in other words which forces keep electrons in orbitals and prevent it from flying away or crashing into the nucleus according to modern understanding?

[–] [email protected] 3 points 1 week ago

It is like the worst sequel to The Martian.

[–] [email protected] 3 points 1 week ago (3 children)

Fight back? O rly?

[–] [email protected] 21 points 1 week ago (1 children)
[–] [email protected] 1 points 1 week ago

I started with kickstart.nvim. It was good to understand Lua and how neovim works. Now following LazyVim for Ambitious Developers because distros good, less breakage.

[–] [email protected] 42 points 2 weeks ago

The flagship communities are quite alive, but the niche communities have not really taken off. I am talking from both the absence of such communities, and my experience trying to migrate !fluidmechanics. The subreddit has around 10k humans (or bots).

[–] [email protected] 7 points 2 weeks ago* (last edited 2 weeks ago)

Harder. Stronger. Faster.

[–] [email protected] 5 points 2 weeks ago

Depends on the culture and time if you ask me.

[–] [email protected] 0 points 2 weeks ago
[–] [email protected] 10 points 2 weeks ago (1 children)

We are free to learn, but learning is not free.

Freedom vs cost. One cannot pickup a skill without time, effort and more importantly access to guidance and a vast library of content. Same applies to man or machine. The difference is how corporations have essentially reinvented piracy to facilitate their selfish ends after decades of dictating what's right with DMCA, DRM and what not.

[–] [email protected] 3 points 2 weeks ago

Without units or context:

Historian: Yeah the 1940s were bad. Meteorologist: 40 degrees is piping hot indeed.

29
Software Horror Game (nlesc.github.io)
submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/[email protected]
 

cross-posted from: https://discuss.tchncs.de/post/1312651

TLDR: To remove by shaking one would need accelerations high as 24g, which can damage the ear. A couple drops of vinegar or alcohol in the ear will lower the surface tension and make the fluid easier to remove

 

TLDR: To remove by shaking one would need accelerations high as 24g, which can damage the ear. A couple drops of vinegar or alcohol in the ear will lower the surface tension and make the fluid easier to remove

 

cross-posted from: https://discuss.tchncs.de/post/479621

Hi all! I defended my Ph.D. thesis back in 2019 and I also served as the creator and moderator for the subreddit r/FluidMechanics for a long time. I think with that I have gathered enough experience and courage to answer some of your queries. Some broad topics that I can answer questions on are:

  • computation fluid mechanics
  • scientific programming and HPC
  • nonlinear shallow water equations
  • statistical description of turbulence: spectra, energy budget etc.
  • experimental methods: PIV
  • stratified turbulence
  • academia
  • navigating your career pre- and post-Ph.D.

Ask away!

 
  • Top: is based on votes or comments or both?
  • What is the difference between Hot, Active, New, Most Comments, New Comments?
 

Hi all! I defended my Ph.D. thesis back in 2019 and I also served as the creator and moderator for the subreddit r/FluidMechanics for a long time. I think with that I have gathered enough experience and courage to answer some of your queries. Some broad topics that I can answer questions on are:

  • computation fluid mechanics
  • scientific programming and HPC
  • nonlinear shallow water equations
  • statistical description of turbulence: spectra, energy budget etc.
  • experimental methods: PIV
  • stratified turbulence
  • academia
  • navigating your career pre- and post-Ph.D.

Ask away!

1
The Feynman Lectures on Physics (www.feynmanlectures.caltech.edu)
 

The classic transcripts of Feynmans Lectures are now open and free! Some chapters are great to get a different perspective on theoretical fluid mechanics.

 

The JFM webinar series which was a great source of high quality research-based open seminars during the pandemic continues to thrive. It is now hosted in a different platform. It runs every first Friday of the month at 4pm.

 

We have an official Lemmy community

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