Nicolai Friis
@improbabilitydrive.bsky.social
330 followers 210 following 61 posts
he/him, dad, quantum physicist @ TU Wien & editor @ Quantum journal, eye-roll and die-roll enthusiast 📎
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Is it just me that finds it weird how ingrained it is in science that research groups identify as "The PI's-last-name group" as if their research & research interests were entirely determined by the PI? To me this feels unnecessarily adhering to authority and fostering cults centered around PIs.
Ich bin ja der Meinung, eine mit der Geschwindigkeit anwachsende "relativistische Masse" ist kein hilfreiches Modell, das ist nur nötig, wenn man darauf besteht, Impuls als eine scheinbare lineare Funktion "m" mal "v" der Geschwindigkeit und Masse anzuschreiben, was aber eben nur geht wenn m=m(v).
Wait till you hear about Quantum's embargo and pre-print policy!
Few will recognize this as a quote from Al Cappuccino in "And Coffee for All"
I'm a glass-half-full kinda guy
Not sure what I would do without LinkedIn, where would I get my daily dose of people obnoxiously bragging, companies making hyped fantasy claims about imaginary quantum breakthroughs, and people congratulating each other on how long they have already not-yet quit their jobs
So (oder so ähnlich) entstehen übrigens auch viele andere interessante Forschungsprojekte. Die besten Ideen kommen halt oft nicht am Schreibtisch... allerdings kommen zugegebenermaßen zu später Stunde bei der Weihnachtsfeier auch nicht NUR tolle Ideen
Reposted by Nicolai Friis
Promo video for the recent HSBC and IBM Quantum breakthrough in finance, if it was directed by Scott Aaronson.
scottaaronson.blog?p=9170
You want to submit/have submitted your paper to Quantum and would like to speed the editorial process along? Suggest reviewers! You know the field and who has the expertise. But keep in mind who is likely to have time. Famous senior profs are not likely to reply to review requests.
We understand why the effect occurs, the question we had was if we should and if so how we could take this effect into account via adapted masks
The actual story is unfortunately way less strange than what it initially sounds like: we were discussing measurement data that should ideally be arranged in a pattern of straight parallel lines, but the actual data came out banana-shaped, we were wondering if this could be amended by suitable masks
Wahrscheinlich denkt Fleischhacker, man hätte einen Antifa-Mitgliedsausweis gefunden bei der Person. Und Exxpress-Mann hält sich selbst vermutlich auch für politische Mitte ohne Vorurteile.
Do the four adjectives you used align with the four images? The first three suggest yes, but I dearly hope you did not taste the monkey
Mir ist genau dieser Gedanke auch immer wieder gekommen die letzten Jahre, aber was mir jetzt mehr auffällt: "Wie konnte es damals so weit kommen?" wurde viel thematisiert (zumindest in meiner Schulzeit), aber nicht: "Was hätte man (damals) dagegen tun können?"
Serious conclusion of yesterday's 1-hour research meeting: we might need anti-banana masks
I might know a QM textbook with QI content 😇
Aren't they a Swiss company? They could just switch to German and use an unbounded number of compound nouns, so many exciting options, like MDPI's new flagship journal Katzenhaarluftfilteranalyse
I might have to reference this excellent blog post in my next QC class...
He's not wrong
I made a quantum foundations alignment chart — go forth and fight about it!

(also, "good" is not an endorsement)
Alignment chart meme for the interpretations of quantum mechanics. LG: Bohmian, NG: everything else, CG: QBism, LN: Many Worlds, TN: Copenhagen, CN: Objective Collapse, LE: Superdeterminism, NE: Retrocausality, CE: Quantum Mysticism
Glad someone took the time to debunk the (obviously nonsensical) claim that Bell inequalities could be violated w/o entanglement. It is astonishing (to say the least) that this claim was made by experienced authors & that it passed peer review in the first place, does not reflect well on the journal
Bell Inequality Violations Without Entanglement? It's Just Postselection
Recently Wang et al. have reported a violation of a Bell inequality without entanglement [arXiv:2507.07756]. We show that their result is an artifact of postselection. It is well known that postselect...
arxiv.org
Posting scheint mir eher ein fadenscheiniges Argument dafür zu sein, dass der Autor eben keine inklusive Sprache verwenden will. Zwingt ihn ja niemand, und ich habe auch von Verwender*innen (schau schau, garnicht so schwer) inklusiver Sprache in der Hinsicht noch nie was von "Kulturkampf" gehört.