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Adam McMaster

@adammc.space

I’m an astronomer at the University of Southampton. Finding black holes with the help of citizen scientists at https://black-hole-hunters.org I write about astronomy at https://three-alpha.space

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31.01.2024
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Latest posts by Adam McMaster @adammc.space

Stopped scrolling because I thought this video was some sort of cosmological simulation, and stunned to find out this is actually a living thing

11.03.2026 12:40 👍 0 🔁 0 💬 1 📌 0

You never have to remember an eight digit number when you could just remember two four digit numbers, etc.

09.03.2026 16:08 👍 0 🔁 0 💬 0 📌 0

You know what doesn’t get more expensive every time some arsehole starts a war? The wind

08.03.2026 09:49 👍 3 🔁 0 💬 0 📌 0
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Iran war heralds era of AI-powered bombing quicker than ‘speed of thought’ Speed and scale of US military’s AI war planning raises fears human decision-making may be sidelined

"Quicker than the speed of thought" is a terrifying phrase to hear in the context of killing other humans. Killing doesn't need to be quicker.

www.theguardian.com/technology/2...

03.03.2026 09:57 👍 1 🔁 0 💬 0 📌 0
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Join the search for hidden black holes What I actually do for a living.

There are loads of undiscovered black holes in the galaxy, and you can help find them! I wrote this post about what my job actually is three-alpha.space/p/join-the-s... 🧪🔭

28.02.2026 14:21 👍 20 🔁 9 💬 0 📌 0

I always think I’m going to read on the train and then don’t do it. I’ve just figured out that the reason is that the social awkwardness of sitting next to/face-to-face with strangers is super distracting

22.02.2026 09:50 👍 0 🔁 0 💬 0 📌 0

“The sun might be on the back of a big beetle—a dung beetle, maybe.” 🧪

Not as far fetched as it should be

14.02.2026 14:28 👍 12 🔁 6 💬 3 📌 0
Sheep stats showing I got 2 hours 47 minutes of interrupted sleep, with the summary “Bad nights of sleep happen. To recover, try to get to bed on time tonight.”

Sheep stats showing I got 2 hours 47 minutes of interrupted sleep, with the summary “Bad nights of sleep happen. To recover, try to get to bed on time tonight.”

The kids kept me awake so much the Health app is trying to console me

08.02.2026 07:46 👍 2 🔁 0 💬 0 📌 0

There is absolutely no replacement for professional work done by a person who knows what they are doing.

07.02.2026 12:12 👍 5 🔁 0 💬 0 📌 0

And your business travel expenses would be off the charts

04.02.2026 18:49 👍 1 🔁 0 💬 0 📌 0
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We Have Always Had the Stars A few thoughts on the uncertainty of the new year.

A new generation of observatories is on the brink of letting us see the stars like never before. That also means we have more to lose than ever 🧪🔭 three-alpha.space/p/we-have-al...

31.01.2026 17:39 👍 32 🔁 10 💬 0 📌 0

#teamautumn

27.01.2026 11:43 👍 1 🔁 0 💬 1 📌 0
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A delicious new solar system New images of a young star could tell us a lot.

Check out this great new photo of an unusual protoplanetary disk three-alpha.space/p/a-deliciou... 🧪🔭

13.12.2025 18:29 👍 21 🔁 5 💬 0 📌 0
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Einstein's Theory Was Right — Mars Has Its Own Clock and It Runs Faster Than Earth’s Learn how Albert Einstein’s theory reveals that time on Mars runs faster than on Earth — and why that tiny shift matters for future space missions.

Your regular reminder that the effects of relativity are *measurable* www.discovermagazine.com/einstein-s-t... 🧪🔭

06.12.2025 11:38 👍 54 🔁 15 💬 2 📌 3

I’ve been writing code for 25 years, and I still haven’t gotten over the novelty of being able to make the computer do new things it couldn’t do before.

03.12.2025 19:40 👍 2 🔁 0 💬 1 📌 0
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When a galaxy is pulled apart Studying what's left can tell us about dark matter.

What's left after a large galaxy tears apart a small one? And how can that help in the search for dark matter? three-alpha.space/p/when-a-gal... 🔭🧪

29.11.2025 12:29 👍 40 🔁 11 💬 2 📌 0
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Asia's first 'osmotic power plant' generates electricity using only water, 24 hours a day Japan launches Asia's first and only osmotic power plant, which generates energy 24 hours a day using salt water.

TIL we can use the waste brine from desalination plants to generate electricity, offsetting some of the power used by the plant www.earth.com/news/japan-a... 🧪

23.11.2025 19:16 👍 41 🔁 12 💬 3 📌 2

How do they know it’s because Batman is unexpected and not because he’s seen as a moral authority (albeit fictional)? What happens if you send in the Riddler? 🧪

22.11.2025 13:17 👍 18 🔁 5 💬 4 📌 0

It annoys me because it gives a false impression. To the casual reader it must seem like “AI” is a single, new technology that came out nowhere and is suddenly being used for loads of different research. None of which is true.

22.11.2025 07:57 👍 3 🔁 0 💬 0 📌 0

It's me! Read below to find out about my research and how that involves citizen science 🔭🧪

21.11.2025 12:30 👍 7 🔁 0 💬 0 📌 1
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'The fate of nations and the fall of kingdoms': History's epic theories of what causes aurora From creation myths to political omens, different cultures have had vastly different interpretations of the dramatic natural phenomenon.

It's fascinating to read all these different interpretations of aurorae. People have been trying to make sense of the night sky for a long, long time www.bbc.co.uk/future/artic... 🔭🧪

20.11.2025 15:16 👍 54 🔁 7 💬 0 📌 1

Researchers who use machine learning need to stop calling it AI in their press releases. It makes it sound like they’re using ChatGPT or something.

19.11.2025 20:05 👍 2 🔁 0 💬 1 📌 1
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Astronomers Confirm First Ever CME From Another Star - Orbital Today Astronomers confirm the first coronal mass ejection from another star, revealing a blast that could strip planets of their atmospheres.

I know I'm biased, but astronomy is so cool. Imagine detecting a burst of radio waves from space and being able to to figure out it was caused by a bunch of material exploding off of a star orbitaltoday.com/2025/11/14/a... 🧪🔭

17.11.2025 12:04 👍 26 🔁 3 💬 0 📌 0
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First light for the 4MOST spectrograph But what will it actually see?

One amazing type of observations can tell astronomers a huge amount. So how does it work? three-alpha.space/p/first-ligh... 🔭🧪

15.11.2025 13:20 👍 15 🔁 3 💬 0 📌 0

You know you’re emailing an academic when you get an out of office message saying they can’t reply, followed three minutes later by a detailed reply

12.11.2025 14:40 👍 5 🔁 0 💬 2 📌 0

Happy “my neighbours won’t let me get my kids to sleep” night to all who celebrate

05.11.2025 19:46 👍 1 🔁 0 💬 0 📌 0

Anyone else read this to the tune of Tom Waits’ Step Right Up?

19.10.2025 15:28 👍 12 🔁 1 💬 1 📌 0
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A black hole with just one bright jet Thanks to relativity we can't see the other one.

This black hole has one bright jet and one that’s too faint to see. The reason is relativity and the weird things that happen near the speed of light 🧪🔭 three-alpha.space/p/a-black-ho...

05.10.2025 12:25 👍 62 🔁 6 💬 1 📌 0

3. ⁠this is not the moment for an incredibly expensive increase in state surveillance infrastructure to be run for profit by private tech firms just before Labour ushers in an (even more) authoritarian right wing government.

FIX THE GODDAMN COST OF LIVING INSTEAD YOU FREAKS.

26.09.2025 08:28 👍 2796 🔁 646 💬 64 📌 26
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'BritCard' digital ID will be made law for all adults in bid to tackle small boats — The i Paper No 10 believes a mandatory ID card system will help stop illegal immigrants working

Our supposedly left wing government torching civil liberties because they’re incapable of stopping the far right from setting the agenda apple.news/Af2BhztikQ3u...

25.09.2025 16:30 👍 0 🔁 0 💬 0 📌 0