stephenbrooks.org
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Technical Reports and Papers from my work.

Message boards: Muon1 Project Forum  Software here  General/Rubbish  Discuss things.

Miscellaneous: Black hole images  Obtained from tracing photons through warped space, something I did during my relativity course.
Distributed Particle Accelerator Design  (Now dormant).

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Browser Wars  4-in-a-row tournament by web browser

Colunms  Cubular entertainment!

Tubetris  Tubular Tetris.

NCGi website  An incomplete Asteroids game.

Particle beam focussing game

: archive : - - -

3D Star Map
Cirieth Series
Condensation
Decent Fractals
Dendrite Growth Simulation
File Segmenter
Gravity Simulation
Internet Mapper
Lights and Perspective
Local Backup
Lock Screen Images
Swirling Surface
Transfinite Number Line
Uptime Counter
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Clouds
Cube Sculptures
Dots
NCGi 3 Starfield
The Matrix
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2025-May-22 00:21:35
Article on another #magnet in the UK I've been involved with.  #physics #accelerators
https://www.isis.stfc.ac.uk/Pages/TH25_FFA.aspx
2025-May-22 00:19:57
What was actually wrong with the Raptor Lake #CPU.
RT https://mastodon.gamedev.place/@rygorous/114547596771387932
2025-May-22 00:19:16
🌐🐝📅
RT https://x.com/HumanoidHistory/status/1924943194027868456
2025-May-20 22:48:54
😆 Can I read some of these non-books?
https://arstechnica.com/ai/2025/05/chicago-sun-times-prints-summer-reading-list-full-of-fake-books/
2025-May-20 22:40:07
"One component appeared to represent the Golden Gate Bridge.  Anthropic researchers found that if they turned up the dial on this component, Claude could be made to self-identify not as a large language model but as the physical bridge itself."
https://www.technologyreview.com/2025/03/27/1113916/anthropic-can-now-track-the-bizarre-inner-workings-of-a-large-language-model/
2025-May-20 19:51:15
Article on Halbach #magnets that I've been involved in designing for the BNL light source upgrade.  #physics #accelerators
https://www.bnl.gov/newsroom/news.php?a=222283
2025-May-19 23:16:27
Extremely Large #Telescope construction picture.  #space #astronomy
https://www.eso.org/public/images/potw2520a/
2025-May-19 22:44:25
Stop worrying and just cut metal.
https://www.youtube.com/watch?v=Yo33kOJfw70
2025-May-19 13:20:01
Changing your moment of inertia by changing shape means you can rotate yourself in space without touching anything (and angular momentum is still constant).  #space #physics [video]
RT https://x.com/Astro_Onishi/status/1924053663238046048
2025-May-18 16:23:40
Really nice image of galaxy Fornax A. I wonder if the unusual structure is related to the black hole, or a previous galaxy merger as Wikipedia mentions?  #space #astronomy
https://www.skyatnightmagazine.com/news/fornax-a-shara
2025-May-17 00:46:10
Electrical transmission lines are not made of copper.
RT https://x.com/JessePeltan/status/1923152113078542565
2025-May-17 00:45:51
Did you know that F7 enables Caret Browsing?  I found this out while vacuuming around my keyboard.
2025-May-15 21:53:36
Crazy fix for GRBL/Candle not starting on Windows.
open "settings.ini" in text editor;
remove line, which starts with "formGeometry=@bytearray";
https://github.com/Denvi/Candle/issues/173
2025-May-15 20:06:26
Long exposure image of #Mars at night.  #space #astronomy
https://x.com/NASAPersevere/status/1923053343791776039
2025-May-15 01:22:00
This tree looked like it had blossom on it but actually the leaves are pink when they are small.

2025-May-15 01:17:31
Added some accessories (vacuum dust shoe, offline controller).  #CNC

2025-May-14 22:58:44
Rotating Detonation #Rocket Engine flown for the first time in the US.
https://www.prnewswire.com/news-releases/venus-aerospace-completes-historic-us-hypersonic-engine-flight-test-302455690.html
2025-May-14 20:18:12
Converted some ALGOL code for singular value decomposition from a 1970 paper into C and got it working.  A lot of it carries right over, had to make arrays start at 0 instead of 1. #programming #maths

2025-May-14 15:47:12
32mph #mallard caught by speed camera in 20mph zone.
https://www.bbc.com/news/articles/c1ldnedvde9o
2025-May-14 14:29:03
Saw my first goslings of the year near the lab entrance this morning.  A family of about 8!  🪿
2025-May-14 02:07:27
I've guestimated settings for the CNC Router that seem to work for aluminium.  Currently doing a coarse cut (but only 0.15mm layers!)

2025-May-13 23:20:52
Tyres for the Moon.  #space
https://www.bbc.com/news/articles/czrve1zrlg3o
2025-May-13 14:48:54
Boring Company fully automated tunneling and installing #tunnel walls robotically.  [video]
RT https://x.com/boringcompany/status/1922177999472042315
2025-May-13 01:10:54
Earthquake fault line rupture caught in real time on security camera.
https://mas.to/@markwyner/114496484780138413
2025-May-13 00:49:01
The robot dances:
[video]
RT https://x.com/elonmusk/status/1922083384085430492
2025-May-12 22:10:34
Estimating the probability distribution of time to complete a task.  #computing
https://thesearesystems.substack.com/p/task-estimation-conquering-hofstadters?triedRedirect=true
2025-May-12 00:53:51
From the Google monopoly court ruling of August 5, 2024. They found degrading their search result quality by "two Wikipedias" reduced revenues by less than 1%.

https://www.texasattorneygeneral.gov/sites/default/files/images/press/Google%20Search%20Engine%20Monopoly%20Ruling.pdf

2025-May-11 17:31:04
Electricity consumption and GDP are roughly correlated, with some variation due to arid/hostile vs. temperate climates.  #economics #energy
RT https://x.com/magattew/status/1852377505883128026
2025-May-11 17:30:06
A machine demonstrating the probability of winning the lottery [video].
RT https://x.com/TaT12364250/status/1921161181999337889
2025-May-10 23:36:51
Reduce web tracking with Privacy Badger.
https://privacybadger.org/

Test how identifiable your web browser is here: https://coveryourtracks.eff.org/
2025-May-10 22:49:21
#SpaceX have used a fairing half 30 times.
#space #spaceflight #rockets
RT https://x.com/SpaceX/status/1921091226541191342
2025-May-10 22:30:59
Mowed the lawn, also had to dig out 2-3 inches of soil from in front of the shed door.  The heavy rains recently had washed it down there (which is a bit worrying as it means the soil is being removed from somewhere else).
2025-May-10 21:20:42
Still have to finish the wiring though.

2025-May-10 21:19:59
Built a table, then built a CNC machine.

2025-May-10 00:05:48
https://en.wikipedia.org/wiki/Ultrametric_space
2025-May-08 23:04:36
Solved a difficult calculation bug today.  Had to figure out which in a stack of numerical algorithms was producing noise/errors.  Turned out a threshold in my SVD implementation was set wrong, but required a lot of plotting of graphs timestep vs. error in various sections of a 21x21 matrix to find it.
2025-May-07 03:00:49
They're going to move the new #Starship launchpad to its final location:
[live] #space #SpaceX
https://www.youtube.com/watch?v=SIDSF7AJ6YU
2025-May-06 14:31:52
Wild beaver filmed in Wales after being extinct in the wild for 400 years.
https://www.bbc.com/news/articles/c705le51rpzo
2025-May-05 17:14:54
Here's the other big connector plugged in for the electron gun.  #physics #accelerators

2025-May-05 17:13:33
My electron gun comes with a countdown timer, I think it's preparing the emission filament for use.  #physics #accelerators

2025-May-04 22:00:22
Why Archers Didn’t Volley Fire
https://acoup.blog/2025/05/02/collections-why-archers-didnt-volley-fire/
2025-May-04 18:28:55
Warm but grey day at the beach today.

2025-May-04 08:41:26
The speed of light visualised.  #physics #astronomy
RT https://mastodon.social/@wonderofscience/114446866242731419
2025-May-03 18:17:01
Mowed the lawn, although it's still mostly dry sticks, dust and crab grass.
2025-May-03 05:17:14
New EUV tool could be used in Intel 14A lithography process.  #silicon #computing
https://www.tomshardware.com/pc-components/cpus/intel-hedges-its-bet-for-high-na-euv-with-the-14a-process-node-an-alternate-low-na-technique-has-identical-yield-and-design-rules
2025-May-03 02:35:15
If I ever get nostalgic for 2025 it'll be remembering how I propped my mobile phone up near the window to get reception, then logged in to my online banking then ran back to the phone again to receive the security code, memorised it and ran back to the PC to enter it.
2025-May-03 00:50:37
Often technology that is widely useful also has low profit margins through competition at scale.  This leads to the spectacle of the investment and advertising industries dancing around overpriced irrelevant things.
2025-May-03 00:40:31
Mossy tree nodules
RT https://mastodon.social/@Rachelburch/114437972599809570
2025-May-03 00:25:41
UN switches to CryptPad open source collaboration tool.
RT https://social.linux.pizza/@MichaelRoss/114436559526591536
2025-May-03 00:22:59
https://www.forbes.com/sites/zakdoffman/2025/04/29/microsofts-ai-starts-secretly-copying-and-saving-your-messages/
2025-May-02 20:17:48
It's almost time to go on Friday but I can attach these thick cables.  Grey is 32 channels of +/-150V, black is up to 2kV for the electron gun. http://everyspec.com/categories/AN-connectors/ https://connectorsupplier.com/what-are-mil-c-5015-sae-as50151-connectors/

2025-May-02 20:17:14
Why has a hat stand appeared by my experiment?

2025-May-01 22:12:56
Iridescent clouds in #Mars's atmosphere.  #space [photo]
RT https://x.com/MarsCuriosity/status/1917992266842660933
2025-May-01 14:06:44
Walking around the ion trap experiment (April 14, 2025).  #physics #accelerators

2025-May-01 01:23:24
Nice crescent Moon and Jupiter in the evening sky.  #space #astronomy
2025-Apr-30 23:14:39
RT https://mastodon.online/@streetartutopia/114426114672371026
2025-Apr-30 00:11:35
I'm kind of surprised the carrier concept has advantages in #space but I guess it could be a fuel depot, repair centre and various other things (space stations ARE a big asset).
https://www.skyatnightmagazine.com/news/us-space-force-orbital-carrier
2025-Apr-29 23:10:45
Put the AC units in the windows.  Also interfaced to a vacuum pressure gauge (with serial-USB or VISA driver) at work this afternoon.  Had to use ASCII control codes and a CRC byte to construct a message, and set the baud rate and stop byte right.
2025-Apr-29 00:57:12
The #Mars Relay #Network. 
#space
https://science.nasa.gov/mars/mars-relay-network/
2025-Apr-28 17:15:28
Boats can fly.
https://www.bbc.com/news/videos/cq5w1jx4l1po
2025-Apr-28 04:10:45
Come to think of it, electricity generation probably is a decent indicator of industrial base size.  You can't tell me the US got 4x more "efficient" over that period.
#economics #energy
https://ourworldindata.org/grapher/electricity-generation?tab=chart&country=IND~USA~GBR~CHN
2025-Apr-27 09:36:10

2025-Apr-26 19:03:58
Found a valley.

2025-Apr-25 17:05:50
The juvenile 🦅 decided to perch in a tree for half an hour rather than fly to the trainer but they eventually caught it.

2025-Apr-25 16:55:06
🦅🦅

2025-Apr-25 16:52:43
Snowy owl.

2025-Apr-25 15:59:11

2025-Apr-25 15:54:55

2025-Apr-25 15:46:17
Vulture escape attempt?

2025-Apr-25 15:40:03
Vulture being a vulture.

2025-Apr-24 18:58:03
Visited Buckler's Hard today, which built wooden warships until iron took over.
https://bucklershard.co.uk/attractions/bucklers-hard-museum/
2025-Apr-23 13:17:51
Nice view in the New Forest yesterday.

2025-Apr-22 15:52:43
Put rose syrup in Pepsi Max and got a Turkish-delight-tasting drink.
2025-Apr-21 19:18:33
Huge amount of flowers on the gorse in Dorset right now.

2025-Apr-21 19:16:08
🗿

2025-Apr-21 19:15:03
Improvements of Intel 18A process over 3nm:
#CPU #lithography #silicon
https://www.tomshardware.com/tech-industry/intel-details-next-gen-18a-fab-tech-significantly-more-performance-lower-power-higher-density
2025-Apr-21 19:14:27
#Asteroid flyby yesterday:
#NASA #space
https://science.nasa.gov/image-article/nasas-lucy-spacecraft-images-asteroid-donaldjohanson/
2025-Apr-18 13:52:37
Narrow bridge.

2025-Apr-18 13:51:05
Egret.

2025-Apr-16 18:40:49
Extremely Large #Telescope construction reaches maximum height.  #astronomy #space
https://www.eso.org/public/announcements/ann25002/
2025-Apr-15 23:34:33
Found $5 on the road.
2025-Apr-15 23:34:28
Today I fixed a bug where I had to link a g++ program to a 64-bit .lib made with 💩Visual Studio💩. It turns out if you put __declspec(dllimport) in the headers, instead of __fastcall, it magically works.
2025-Apr-12 22:18:59
Couple of deer wandering through my garden.

2025-Apr-12 17:37:31
I put some pistachio nuts that I couldn't open outside and just watched a squirrel open them and leave the shells on the deck railing.
2025-Apr-10 23:38:04
Went to see the trees.

2025-Apr-08 21:09:41
3D scan of the Titanic.
https://www.bbc.com/news/articles/cwy6gjwd0g6o
2025-Apr-07 22:15:59
Boris Johnson gets bitten by an ostrich.
RT https://x.com/MailOnline/status/1909277771609612679
The King plays tunes on a woodwind instrument made out of carrot.
https://www.bbc.com/news/videos/cn91x90241go
2025-Apr-05 22:52:48
Default trajectory. 
#space #SpaceX
RT https://x.com/dpoddolphinpro/status/1908146388417843337
2025-Apr-05 22:52:23
The microplastic mouse and the microplastic cat found each other.
RT https://x.com/LegoLostAtSea/status/1908424370399158301
2025-Apr-04 23:50:41
I went to see the #quantum internet today.
https://www.bnl.gov/instrumentation/quantum/index.php
2025-Apr-04 00:41:11
Crush crinkly plastic wrapper and throw it into the bin.

Get freaked out by crinkling noises coming from the bin.
2025-Apr-04 00:02:05
They've tested a big booster for reflight on #Starship flight 9.
#space #SpaceX
RT https://x.com/SpaceX/status/1907876664274473132
2025-Apr-03 23:56:22
Seeing if Europa Clipper gets anywhere near Elon Musk's Tesla Roadster.
https://www.whereisroadster.com/europa_clipper_charts/
2025-Apr-03 23:16:59
How were Donald Trump's tariffs calculated?  #economics
https://www.bbc.com/news/articles/c93gq72n7y1o
2025-Apr-03 23:16:42
Timelapse from Antarctica to the Arctic.  #space
https://x.com/satofishi/status/1907705976356221108
2025-Apr-02 21:58:34
US tariff values for selected countries:
#economics
https://www.ft.com/content/8351fd09-ceea-4a3d-9eb2-cd18bee8c7e9
2025-Apr-02 00:47:38
Cool video showing what it's like riding in the Dragon capsule (Fram2 mission).  #space
RT https://x.com/satofishi/status/1907225381721227312
2025-Apr-01 22:13:01
What really happened on the faulty Starliner craft.  #space #NASA (but why did they publish this on April 1st, just makes it extra confusing!)
https://arstechnica.com/space/2025/04/the-harrowing-story-of-what-flying-starliner-was-like-when-its-thrusters-failed/
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