Colm Kelleħer

New preprint, including cool violations of contextual bounds on IBMs newest quantum computers! arxiv.org/pdf/2505.21243

When people say “physics has stagnated” they mean GR has not been analytically combined with QM, and that they know nothing about HEP, condensed matter, quantum computing, cosmology…

@martinmbauer Yes I meant all combinations of 3 quarks, choosing from the pool of 6 (or 12 including anti-quarks). Thank you for the answer!

@Colm12Colm there are more than three, and yes

The LHCb experiment just announced the discovery a new hadronic state. It has the same quantum numbers as a proton, but instead of up quarks it contains charm quarks This discovery contributes to a better understand the strong force that keeps quarks bound in nucleons

DUNE is unusually well-titled for sequels: 2UNE DUN3 DU4E DVNE Frank Herbert truly was a visionary.

@ContraPoints As an Irish guy I find it weird the mayor of NYC is asked this, but it is during the Paddy’s Day parade so 🤷‍♂️ also his answer is just a good common sense one, I’m not sure why it’s classed as virtue signalling?

He is one of the greatest virtue signalers of all time. The target audience will never appreciate it, but I do. It’s beautiful, really, to watch a master at his craft.

@sevensixfive The name “Tiffany” has been around since the Medieval Ages

The name "Duncan Idaho" just gets funnier and funnier the more you encounter it

@flowidealism If you read John Bell’s words on Einstein vs. Bohr, you see how he appreciated the former’s clarity and precise exposition, vs. Bohr’s unclear ramblings, even if the latter is deemed more “correct” in his interpretations of QM. That’s due to this habit you mention.

Einstein's genius was not raw cognitive power. It was intellectual integrity. He was relentlessly honest about what he understood and what he did not. His definition of "simultaneity," leading to special relativity, is original but not complex. That is a specific habit, not a gift, and one most schools never cultivate. I am committed to developing this habit. Every day, I ask my students to identify what they understand and what they do not, in a reflective way, precise, sentence-by-sentence way. The student who says, "I understand the first half of this paragraph but not the second," is developing the habit of intellectual integrity. They are being scrupulous about the boundary between knowing and not knowing.

@flowidealism His EPR paper is often pulled as an example of him being “wrong”, but it’s a great example of integrity in skepticism. He was thinking more deeply about quantum correlations and causality than Bohr or his contemporaries were!

@picturesofnixon Part 3 (the movie) is Dune 2 (the book), I want to see Dune 3 where Leto exiles himself to the desert and starts his worm transformation, then marries his twin sister. The next 3500 are kinda boring relative to that!

They’re calling Dune Part Three the epic conclusion because they don’t have the courage to film part four where a giant man-worm smashes Momoa clones for 3500 years

Being Irish (and abroad, and online) on St. Patrick’s Day is weird. Closest I can describe it is that your office celebrates your birthday but no one else’s, and everyone says how they’re distantly related to you.

We spent the last few hours in midtown and it’s totally changed since NYC’s new ‘mayor’ took office. Like a ghost town but with a dangerous vibe. Twice someone came up behind us in an intimidating way. No cops in sight. Locals are not out and even tourists are thin on the ground as they can’t possibly feel safe. @BrianOSheaSPI

Lever net them know your next move.

So many successful things have inefficiencies (why is English non-phonetic? Why does the US political system favour polarisation? Why do humans have small birth canals?) that I'm starting to think inefficiencies are necessary for success.

@HealthUntoDeath Don't you mean Michael Collins?

The £5 note needs to depict the true founder of our great nation: George Washington.

@Tomozaurus Easy to look at this and think the past had such extreme megafauna and megaflora. Then you realise that even larger animals and trees exist today, and you can go out and see them if you really want to.

I decided not to do a full new reconstruction at this time, but here is a quick and crude size comparison of the new specimens to an adult Brachiosaurus and Diplodocus hallorum for some perspective.

In 2024 I took a bus from Atlanta GA to Auburn AL and the only thing (the ONLY thing) in the area the Tennessee woman beside me implored me to check out was Buc-ee’s.

@splinges Love how you took a single bite and decided it was demanding of a photograph

ireland update: just had the best toast i’ve ever had in my bleak american life

@jakebackpack I'm currently reading Moby Dick and if anyone asks me how it is I'm directing them to this tweet for a faithful taster.

@ItsAndyRyan • All of them (humans)

Animals named after the noises other animals make: • Owl (wolves) • Bear (sheep) • Rabbit (frogs) • Moose (cows) • Buck (chickens)

My most poet-coded opinion is that they should have left the Top and Bottom quarks with their original names, Truth and Beauty.