Technical Reports and Papers from my work. Message boards: Muon1 Project Forum Software here General/Rubbish Discuss things. Miscellaneous: Black hole images Made from tracing photons through curved spacetime, done during my relativity course at Oxford. |
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Browser Wars Connect-4 competition using your browser Colunms Blockular matching... Tubetris Cylindrical Tetrominoes. NCGi website An unfinished Asteroids game. | ||||||
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2025-Oct-04 01:25:48 Despite it being 25+ years, I dreamt about my gerbils last night. The brown one stuck its nose through the bars and distracted me while the yellow one gnawed its way out of the plastic bottom corner of the cage. |
2025-Oct-03 22:23:33 There doesn't seem to be normal relish in the US so I put cocktail sauce (sweet tomato and Worcester sauce) with my pate on #toast. |
2025-Oct-03 00:45:00 Free-forming rogue #planet found accreting mass at high rate (roughly one Earth mass per 30,000 years).
https://www.eso.org/public/news/eso2516/ #astronomy #space |
2025-Sep-30 23:05:42 First satellite communication system:
RT https://x.com/USNRL/status/1973025039252328643 The satellite in this case was the #Moon: https://en.wikipedia.org/wiki/Communication_Moon_Relay #space #communications You could call it... coMoonication. |
2025-Sep-29 23:18:44 #Starship Flight 11 info. #space #SpaceX
https://www.spacex.com/launches/starship-flight-11 |
2025-Sep-29 22:19:36 I've ended up with a 2021 Windows 10 PC that's not upgradable to 11 (no secure boot or I forgot to turn it on or something) and an old 2013 Debian box.
Going to end up buying a boxed Windows 11 gaming PC, then installing Linux on the 2021 PC, retiring the 2013 one I think. |
2025-Sep-29 21:57:02 I had to destroy this spider's very impressive web because I wanted to use my bin.
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2025-Sep-29 01:51:13 BEES outside the computing center.
RT https://x.com/BrookhavenLab/status/1970907662519881948 |
2025-Sep-28 18:08:20 Mowed the lawn for the first time in a few weeks. 🚜 The grass is growing slower now but it still needs doing. Soon there'll be leaves to shred. |
2025-Sep-27 21:38:27 Carbonated our pretty good local tap water with a SodaStream and that's basically all I've been drinking today. |
2025-Sep-27 20:40:23 Polar bears. [video]
https://www.bbc.com/news/videos/c0ezre2x3gvo |
2025-Sep-25 19:47:49 Lots of interesting talks at the Fixed Field #Accelerators (FFA'25) workshop at Imperial College London last week. #physics
https://indico.cern.ch/event/1553599/timetable/#20250916 |
2025-Sep-25 19:37:49 Composite of all 12 beams put through our medical accelerator test section.
From left to right: [1-6] Deuterium at 12.9, 14.3, 16, 20, 24.2, 28MeV at the BNL Tandem Van de Graaff, equivalent (after energy loss in beam windows) to 10, 15, 20, 30, 40, 50 MeV protons. [7-12] Protons at 50, 70, 100, 150, 200, 250MeV at the BNL NASA Space Radiation Facility (NSRL). The beams progress from one side of the aperture to the other because the permanent magnets have been designed to accommodate a wide range of energies. More info here: https://www.bnl.gov/newsroom/news.php?a=222471 #accelerators #physics
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2025-Sep-25 00:54:42 Googling and found out the mass of the Earth's exosphere is only 10,000 kg. An F-150 truck could tow half the Earth's exosphere. |
2025-Sep-23 22:46:46 MOON in less than 6 months? #space #moon #NASA
https://www.bbc.com/news/articles/cy7pegvz17yo |
2025-Sep-22 23:04:07 #Telescope with big orange laser. #space #astronomy
https://www.eso.org/public/images/potw2538a/ |
2025-Sep-22 18:17:34 This video shows hadron beams of different energies being transmitted through the same string of nine permanent magnets, which is a prototype 22.5° section of a fixed-field hadron therapy accelerator.
Cameras 1 and 2 point at fluorescent screens upstream of the magnets and cameras 3 and 4 show the beam coming out. The Brookhaven National Laboratory NASA Space Radiation facility (NSRL) was used for 50-250MeV proton beams and the BNL Tandem Van de Graaff for deuteron beams equivalent to 10-50MeV protons. The results show transmission over the massive 10-250MeV energy range (a factor of 5.3 in momentum) and the progression of the beam centres from one side of the screens to the other show the beam orbits were as expected. The permanent magnets (built by SABR Enterprises, LLC.) delivered up to 1.85 Tesla of field to bend the beams on this tight radius. More information on the design: https://www.bnl.gov/newsroom/news.php?a=222471 #accelerators #physics |
2025-Sep-21 20:46:43 And they tipped the table over 😆
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2025-Sep-21 20:46:25 Used some leftover snacks to make experimental bird food. These are the birds I got. |
2025-Sep-21 17:22:02 Accidentally spent $32 on a journey on crossrail I didn't do because in my jetlagged state I swiped my US card instead of my UK one at the turnstiles once and they got a mismatched entry/exit pair. #stupid |
2025-Sep-21 16:44:52 RT https://mastodon.social/@Rachelburch/115241555610406403 |
2025-Sep-20 23:17:06 They fly, they swim, they quack. Multimodal mallards. |
2025-Sep-20 21:06:43 Border control at JFK went very smoothly although we did go through a DARK TUNNEL where the corridor lights were out 😆
Heathrow was checking people in with pen and paper because of a Europe-wide cyberattack but otherwise OK. |
2025-Sep-20 08:53:07 View from free flying 360degree camera at the edge of #space.
RT https://x.com/JeffBezos/status/1969191669359661535 |
2025-Sep-19 16:28:54 Albert memorial and Albert Hall.
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2025-Sep-17 16:55:13 "Asteroid will SKIM PAST Earth tomorrow."
2.2 lunar distances. If I was worried about that, I'd be pretty upset by the Moon. |
2025-Sep-17 16:38:02 3D map of part of our Galaxy, including nebulae. #space #astronomy
https://www.skyatnightmagazine.com/news/esa-gaia-3d-animation-map |
2025-Sep-17 16:33:09 Imagine how huge the waves would be if this horse was normal size. |
2025-Sep-17 16:20:17 Probability is the currency of the universe. |
2025-Sep-16 20:41:53 There's a crater called Mungo on an #asteroid called Donaldjohanson. #space #astronomy
https://science.nasa.gov/solar-system/regions-on-asteroid-explored-by-nasas-lucy-mission-get-official-names/ |
2025-Sep-16 20:39:39 People are saying that today - either 16/9/25 or 9/16/25 is a Pythagorean triple day (3^2+4^2=5^2). Additionally, 2025 is also a square, 45^2. #maths |
2025-Sep-16 19:27:07 #RaspberryPi vending machine.
RT https://x.com/denpa893/status/1967595318201212952 |
2025-Sep-16 18:38:56 I was going to go across the Thames on the new cable car, but with 50+mph gusts of wind (one that sent my hat flying 30 yards away) they had shut it for safety reasons!
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2025-Sep-16 18:35:55 Walked around the Millennium Dome yesterday. It's like a domed city, or at least a domed shopping centre and arena.
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2025-Sep-16 18:32:51 There's a long tunnel between here and the tube station.
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2025-Sep-14 19:29:55 Exotic types of stars with things inside them: #astrophysics #space #astronomy
https://en.wikipedia.org/wiki/Quasi-star https://en.wikipedia.org/wiki/Thorne%E2%80%93%C5%BBytkow_object |
2025-Sep-12 19:25:06 Interesting way of turning a skew symmetric #matrix into an orthogonal one and back again: #maths
https://en.wikipedia.org/wiki/Cayley_transform |
2025-Sep-12 05:23:28 Spent the evening making this, a clock that can read over a trillion years with 11 hands. https://stephenbrooks.org/misc/clock.html |
2025-Sep-11 23:39:51 Strange coronal gap in the Sun's atmosphere
https://sdo.gsfc.nasa.gov/data/ (Some explanation: https://spaceweather.com/ ) #space #astronomy |
2025-Sep-11 22:47:28 Started to buy fizzy water the last couple of weeks but today I realised I have a Sodastream machine and I don't need to. |
2025-Sep-10 19:48:46 Processing lunar regolith into oxygen, metal and glass: #space #Moon
https://www.blueorigin.com/news/blue-alchemist-hits-major-milestone-toward-permanent-sustainable-lunar-infrastructure Molten regolith [video] RT https://x.com/blueorigin/status/1965864198967091573 |
2025-Sep-09 22:06:27 #space #zoom
https://www.youtube.com/watch?v=DRcKGNC9ut8 |
2025-Sep-08 19:09:44 Replacing the capacitor in DRAM by another transistor may enable better scaling: #computing #RAM
https://www.youtube.com/watch?v=ITdkH7PCu74 |
2025-Sep-07 23:57:42 This one is also interesting:
https://en.wikipedia.org/wiki/Thermography#/media/File:ParowozIR.jpg |
2025-Sep-07 23:57:01 https://en.wikipedia.org/wiki/Thermography#/media/File:Wiki_lizards.jpg |
2025-Sep-07 21:32:37 Also there were baby deer running along the bluff but I've learnt from past experience they come out 2px high if I try and take a photo. |
2025-Sep-07 21:23:57 The rain had just stopped, so it was quite grey at the beach today.
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2025-Sep-07 19:37:53 The #Starship booster already static fired as I was checking social media this morning. #SpaceX [video]
RT https://x.com/SpaceX/status/1964758113422299415 |
2025-Sep-07 18:46:25 New streaming word "ephemeral" seems popular - broadcast only live, no replay. I do not watch these because I'm asleep. |
2025-Sep-07 00:26:07 Cryocoolers are $1750 on Ebay.
https://www.youtube.com/watch?v=r5FpeOJItbw |
2025-Sep-06 22:43:26 They're not hanging around, the booster for #Starship flight 11 is already on the mount and looks like it might be tested tomorrow morning. #SpaceX
https://www.youtube.com/watch?v=mhJRzQsLZGg |
2025-Sep-06 20:39:05 This graphic is good for showing what the US is attempting to land on the #Moon this time is nothing like Apollo. #space #spaceflight
RT https://x.com/xopherobin/status/1383352546052349955 |
2025-Sep-06 00:00:08 Fairly good effort by Grok here although it didn't want to do the orbital mechanics calculation.
https://x.com/i/grok/share/04hyFGQV4EWbHSlc4rpJUI8Ta Some hinting got it a bit further: https://x.com/i/grok/share/WUQAP6ZjOwU5ClOeX2yKugcqp |
2025-Sep-05 22:59:18 Got my car towed this morning, not sure where it is now. |
2025-Sep-04 01:22:13 SUDDENLY all the coolant fell out of my car. |
2025-Sep-03 23:41:11 Photos taken inside vs. outside the atmosphere (which is green as it turns out). #space #astronomy #photography
RT https://x.com/NASASolarSystem/status/1963260426571104479 |
2025-Sep-03 00:05:31 "Now, Google will not be allowed to enter into any exclusive contracts for Google Search, Chrome, Google Assistant or the Gemini app.
It means phone manufacturers will be free to pre-load or promote other search engines, browsers or AI assistants alongside Google's." https://www.bbc.com/news/articles/cp8zdrenm1zo |
2025-Sep-02 22:53:31 Manifold mallards. |
2025-Sep-02 22:42:00 It's old. #space #astronomy
https://www.skyatnightmagazine.com/news/interstellar-visitor-3i-atlas-oldest-comet-ever-seen |
2025-Sep-02 00:57:28 Seen on this evening's walk: 🐇 🦌 🦇 🐱 🐿️
(This post is basically full circle back to cave paintings.) |
2025-Sep-01 00:43:23 Saw some deer families on my walk, but the younger ones don't know how to run away properly. One ignored me, another ran towards me. |
Duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy duckbendy.
