anubiarts, to pixelart
@anubiarts@mastodon.social avatar
dmm, to physics
@dmm@mathstodon.xyz avatar

The accomplishments of the Victorian physicists were (and are) amazing.

Among the great Victorian era scientists, I've been studying the work of James Clerk Maxwell, specifically Maxwell's equations [1] (along with the history of Victorian mathematics and physics [2]). In his short life, Maxwell made important contributions in many areas of physics. Unfortunately Maxwell died at age 48 from abdominal cancer in November of 1879 [3].

Among Maxwell's contributions are Maxwell's equations, which completed the unification of electricity and magnetism, thereby forming the concepts of electromagnetism and the electro-magnetic force. One of the really amazing aspects of Maxwell's equations is their generality. In particular, they apply to all charge and current densities, whether static or time-dependent and together they completely describe the dynamical behavior of the electromagnetic field.

Here's the best I could do with unicode to describe the differential form of Maxwell's equations (there are also integral forms of Maxwell's equations, see below):

(i). ∇·E = ρ/ε0 # Gauss's Law

(ii). ∇·B = 0 # Gauss's law for magnetism

(iii). ∇ × E = ∂B/∂t # Maxwell–Faraday equation (Faraday's law of induction)

(iv). ∇ × B = μ0 (J + ε0 ∂E/∂t)

Ampère's circuit law (with Maxwell's addition)

Maxwell's equations are important not only because they unified electricity and magnetism and completely characterized the electromagnetic field, but also because they paved the way for special relativity and quantum mechanics.

#maxwell #physics #math #maths #victorianphysics #electromagnetism

(1/2)

Propagation of electromagnetic waves...

cdarwin, to Florida
@cdarwin@c.im avatar

Just $1 from you will help me make history as the first member of Gen Z to ever be reelected to Congress.

It's Rep. , reaching out with exciting news: I'm officially launching my reelection campaign to keep representing the people of FL-10!

In 2022, put its trust in me

  • a Gen Z, working class, Afro-Latino organizer
  • and I became the first of my generation ever elected to Congress.

It didn't come easy. A lot of people counted me out. They said that I was too young or that I didn't have the "right" experience.

But people like you ignored all of that noise. They believed in this youth-powered movement for change, and I was able to defy the odds.

Now, our movement has become a powerful force and direct threat to the status quo.

That's why fascist leaders, the gun lobby, and special interests are all plotting to replace me in this election.

Every dollar counts in a fight like this, so I'm asking you for $1 (yep, just a dollar) to join this historic movement so I can defy the odds again and win on Election day.

Will you donate just $1 to become a to my reelection campaign so we can keep Gen Z in Congress?

I set a goal of raising $25,000 today and if everyone reading this text chipped in, we'd crush this goal!

>> https://frost4congress.us/launch-reelection?t=aPeHSM

cdarwin, to random
@cdarwin@c.im avatar

I’m Manuel Oliver.
Six years ago, my son, Joaquin, was killed in the Parkland school shooting.

Since then, I’ve dedicated my life to ending gun violence.

I’ve met countless politicians who’ve made empty promises or refused to take action.

But I’ve met even more young people – like Rep. – who’ve made bigger impacts on this fight than almost every long-serving elected official out there.

As the 🔸March for our Lives Organizing Director🔸 and the 🔹first Gen Z’er in Congress🔹, he knows you can’t engage a new generation with the same old organizing.

So he’s doing it in a new way with his festival, Fest – using music, food, and fun to engage youth, all while registering thousands of new voters!

I’m honored to headline MadSoul Fest, and even more excited about all the young people who’ll head to the polls because of this event and through Maxwell’s youth organizing across Florida.

But the far right is desperate to keep young people from voting, so Maxwell needs grassroots support to keep his youth engagement efforts stronger than ever.

So I'm helping Maxwell raise $15,000 today to fund his youth organizing work.
Please, can you donate $1 (yup, just a dollar) to Maxwell’s campaign and strengthen this youth-powered movement? >> https://frost4congress.us/l/H1XS4U

newsviews, to random
@newsviews@mastodon.world avatar

Jeffrey Epstein: documents linking associates to sex offender unsealed
Clinton and Trump are named in Jeffrey Epstein documents, no wrongdoing alleged

From USA Today: Former Presidents Bill Clinton and Donald Trump are mentioned in newly unsealed Jeffrey Epstein-related court documents, but they are not accu
https://newsviews.online/2024/01/03/jeffrey-epstein-documents-linking-associates-to-sex-offender-unsealed/

jupiter_rowland, to metaverse

As I hope you've already discovered, the Fediverse is nothing like Twitter/𝕏. There is no algorithm automatically forwarding your posts to those who might be interested in them. Also, even though Mastodon has introduced full-text search, it's only slowly picking up.

Instead, the key to post visibility and discoverability is using hashtags.

If you're using OpenSim, and you aren't sure what to tag, here are some recommendations. If I mention a tag explicitly, it most likely already exists.

First of all, of course, #OpenSimulator and #OpenSim. You may use either, but I recommend using both.

Then there's #Metaverse. The OpenSim community has used that word for some 15 years already. Besides, it helps demonstrate three things to those who search for it. One, "The Metaverse" isn't dead. Two, it wasn't invented by Zuckerberg either. Three, it can be done and has been done without a blockchain, a cryptocurrency and NFTs. (If you want to write about Zuck's worlds, use #Horizons or specifically #HorizonWorlds instead.)

I myself also use #VirtualWorlds, and so do some Second Life and OpenSim users.

If you write about a grid or mention it sufficiently, tag it. #OSgrid, #Kitely, #3rdRockGrid, #Groovyverse, #CraftWorld, #Bridgemere, #DorenasWorld, #Dereos, #ArtDestiny, #DiscoveryGrid, #BarefootDreamers, #Neverworld, #Astralia, #AviWorlds, #EtheriaGrid, #TheGridThatShallNotBeNamed (you know which one I mean) etc. This should include dead grids such as #Metropolis.

Sometimes things might get complicated, for example if there's a popular abbreviation or acronym for a grid. In that case, feel free to tag e.g. both #AlternateMetaverse and #AMV or both #GreatCanadianGrid and #GCG. It really only gets complicated with #WolfTerritories, #WolfTerritoriesGrid, #WTGrid and #WolfGrid, all four of which have been used by Lone Wolf himself.

In addition, if you actually write about a grid, you might want to use #Grid. Not so much for fleeting mentions.

Of course, #Hypergrid if you mention that.

Events usually come with their own official suggestions for social media hashtags. This year, for example, we've already had #OSG16B for OSgrid's 16th birthday, #OSFest2023 for OpenSimFest (#OpenSimFest or #OSFest) and #HIE2023 for the Hypergrid International Expo (#HypergridInternationalExpo, #HIE or #HIEOpenSim). The OpenSimulator Community Conference is always shortened to #OSCC, and the year is always two-digit, e.g. #OSCC23. And let's not forget #CornflakesWeek.

Other things worth tagging include OpenSim's own mesh bodies: #RuthAndRoth for the whole project, #Ruth2 and #Roth2. #RuthToo and #RothToo or even #RuthTooRC3 and #RothTooRC1. #LuvMyBod. #Max, #Maxine and #Maxwell.

Some more examples for OpenSim-related tags I've used before: #OAR, #HGSafari, #MadeInOpenSim, #ArcadiaAsylum, #LbsaPlaza, #WrightPlaza, #EventPlaza, #Clutterfly, #OpenSimWorld, #BakesOnMesh (feel free to yoink this one, Second Life users), #FirestormViewer (ditto), #PBR (ditto), #LSL (ditto) and #OSSL, #ZHAO (ditto) and #khAOs, #SFposer, #DreamGrid, #Sim, #SimBuilding (good for talking about how a sim is built)... You could also reference what I call #TheGreatGridDyingOf2022.

More generally, there are tags such as #Avatar/#Avatars, #VirtualArchitecture, #VirtualTravel and #VirtualClothing/#VirtualFashion. And if it's related to education, #VirtualWorldsEducation would be the tag.

#Hashtags #Long #LongPost #CWLong #CWLongPost

LibrarianRA, to coffee
@LibrarianRA@worldkey.io avatar
cheesebean, to random

Heads up: I’m bringing a music listening project that I’ve been working on over to mastodon now. I’ve been calling it “Radio to the Death”.

Basically I wanted to listen to Rolling Stone’s top 500 albums of all time. But also, I’m me, so everything has to be a game of some kind. As such, I took all the albums and made a tournament bracket seeded by order in the original list. I listen to each pair of albums (in one sitting, ideally) and declare a winner.

cheesebean,

Matchup
Bracket 5: Jazz/R&B/Soul
———
Innervisions

  • Stevie Wonder
    vs.
    BLACKsummers'night
  • Maxwell


image/jpeg

cheesebean,
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