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Henry Legg

@henrylegg

Lecturer (~asst prof) investigating quantum physics @univofstandrews. My opinions belong to 28 highly trained monkeys and are not those of my employer. Webpage: https://legg.wp.st-andrews.ac.uk/

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09.11.2023
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Latest posts by Henry Legg @henrylegg

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Legg group dinner photo 2026:
1. Jesus Christ who is that old man in the back?!
2. Grateful to work with all these fantastic young minds doing some really exciting physics.

26.02.2026 09:46 πŸ‘ 7 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Just to be clear: I am against the phrase rather than the concept. It makes it sound a lot more like something which is nice to have, but not essential (and therefore can be cut). Rather than an integral aspect of a modern society.

19.02.2026 16:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Don’t deprioritize curiosity-driven research Around the world, governments are demanding that research funding follow broader political priorities. They should be careful what they wish for.

Am I the only one that vehemently detests the phrase "curiosity driven research"? It conjures this image of a toddler asking "why, why, why?"

Wouldn't "foundational science" be better? More difficult for governments to say "we're cutting foundational science".

www.nature.com/articles/d41...

19.02.2026 16:10 πŸ‘ 2 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
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I’ve been told I have a bit of a β€œtell” when it comes to my rugby support.

Personally, I don't see it.

Anyway, here’s me at this weekend’s Scotland vs England Six Nations game.

See! Totally neutral…

16.02.2026 12:26 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Proof that having a PhD is not a sign of true intelligence: Guess which moron waited until February to buy a bike and started cycling to work in the driving Scottish wind and rain?

05.02.2026 19:36 πŸ‘ 10 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

That’s nothing: Topological qubits have only reached the same point that the Catholic church did 2000 years ago. (Made up stories and claims of miracles).

03.02.2026 14:01 πŸ‘ 13 πŸ” 1 πŸ’¬ 2 πŸ“Œ 0

Supposedly the most for any physicist, although the nominations are kept secret for quite a long period of time.

26.01.2026 23:12 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Fun fact I learnt preparing my condensed matter lectures for this semester:

Arnold Sommerfeld was nominated 84 times for the Nobel prize in physics, but never won.

Interestingly, despite his lifelong Nobel prize disappointment, Sommerfeld never threatened to invade Greenland (as far as I know).

26.01.2026 10:45 πŸ‘ 18 πŸ” 3 πŸ’¬ 2 πŸ“Œ 0

Ignoring the other madness in this: It’s interesting to see how French food is used as a weapon of diplomacy.

What’s the British equivalent of dinner in Paris? Fish and chips with the king?

20.01.2026 08:12 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I have long thought the hyper focus on the Nobel prize by many β€œbigshot” scientists is bad for science…

I had never considered that the hyper focus of a US president on the Nobel peace prize could be bad for peace

19.01.2026 08:25 πŸ‘ 6 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

I am making the supreme sacrifice in the name of solidarity. For as long as Trump is threatening Greenland I will boycott American bread and chocolate.

18.01.2026 18:59 πŸ‘ 144 πŸ” 14 πŸ’¬ 28 πŸ“Œ 4
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Data sharing helps avoid β€œsmoking gun” claims of topological milestones Manipulating the topology of electronic bands can realize new states of matter, with possible implications for information technology. A central question is how to tell whether a topological regime ha...

The rarest of sights - a big glossy journal publishing negative replications! Yes, we had to bundle 4 replications into one article AND we had to wait 2 (!!) years in peer review, but here we are:

www.science.org/doi/10.1126/...

08.01.2026 19:21 πŸ‘ 58 πŸ” 19 πŸ’¬ 3 πŸ“Œ 5

Fair point. The orcs of third age probably mostly drove Skodas.

30.10.2025 18:11 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

The parsimonious position is neither that Orcs did or did not drive Ferraris to work as part of Sauron's compensation package to them, but that some orcs may have sometimes driven Ferraris to work.

30.10.2025 17:28 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Thank you for all your private messages to me about Balrog wings.

Unfortunately, in 2025, wingers like @dangaristo.bsky.social still exist and think Balrogs were just glorified penguins.

In this era of fake news we must defend important facts: Balrogs do not have wings.

30.10.2025 05:48 πŸ‘ 4 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
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30.10.2025 04:49 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Now this is classic Usenet beef. We're talking 30-year-aged stuff here. Simpler times. Better times.

29.10.2025 19:21 πŸ‘ 8 πŸ” 2 πŸ’¬ 2 πŸ“Œ 0

Dan there are two universal truths:

1) Balrogs do not have wings.
2) Feanor did nothing wrong.

29.10.2025 19:13 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Yes, the wings are a metaphor for the shadow. Literally following on from a simile β€œshadow… like two wings”. Why would it have shadow *like*wings if it already had wings?!?

I can’t believe I have to explain similes and metaphors to a journalist.

29.10.2025 17:00 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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@dangaristo.bsky.social this is how Balrog wingers imagine Durin's bane.

You think a glorified penguin is going to go toe-to-toe with Gandalf? Come off it.

29.10.2025 16:53 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 2
Why Balrogs Do NOT Have Wings | Tolkien 101
Why Balrogs Do NOT Have Wings | Tolkien 101 YouTube video by Nerd of the Rings

Dan, do not let me question your judgment: If you believe that Balrogs had wings you are very very wrong.

You probably also think that Feanor did something wrong. Feanor did nothing wrong. Period.

www.youtube.com/watch?v=eXKn...

29.10.2025 16:45 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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29.10.2025 07:22 πŸ‘ 7 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I was just sent a video of a child in a Balrog halloween costume. Appallingly, the Balrog costume had wings.

**Balrogs do not have wings**

Why are we teaching children incorrect anatomy of mythical creatures? Are you going to also throw a pair of wings on a giraffe?

My day is already ruined.

29.10.2025 07:18 πŸ‘ 9 πŸ” 0 πŸ’¬ 3 πŸ“Œ 1

Let's be very clear: Google’s claims are debatable, Microsoft’s are a work of fiction.

Be sceptical of Google like the bloke down the pub claiming he lives in a mansion.

Be sceptical of Microsoft like the bloke claiming he lives in a castle in the sky powered by topoconductors and fairy dust.

24.10.2025 08:40 πŸ‘ 12 πŸ” 4 πŸ’¬ 1 πŸ“Œ 1

Today my @nytimes.com colleagues and I are launching a new series called Lost Science. We interview US scientists who can no longer discover something new about our world, thanks to this yearβ€˜s cuts. Here is my first interview with a scientist who studied bees and fires. Gift link: nyti.ms/3IWXbiE

08.10.2025 23:29 πŸ‘ 4728 πŸ” 1826 πŸ’¬ 142 πŸ“Œ 83
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There are some differences between UK and international BBC.

Still there on their science page, now with a seemingly AI generated picture: www.bbc.co.uk/news/science...

07.10.2025 11:29 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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NO BBC! Don't summon them, don't do it!

07.10.2025 11:06 πŸ‘ 7 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1

The correct decision from the Nobel committee. If they had even muttered the words "quantum computing" the number of start-up founders posting about their quantum crypto coin NFTs would break LinkedIn.

07.10.2025 10:23 πŸ‘ 24 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0
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Our Nobel Prize predictions for the next week. #Nobel2025

05.10.2025 17:15 πŸ‘ 26 πŸ” 7 πŸ’¬ 0 πŸ“Œ 2

It has come to the authors' attention that the unit of 'hour' was not defined in the original manuscript. Within the context of our experiment, 'hour' was used to denote 30 days. The authors confirm that all results within the manuscript are valid and entirely consistent with this definition.

04.10.2025 09:40 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0