2025-May-30 00:54:22 Van used to transport Lu-177. #physics
RT https://x.com/PPapakonNucl/status/1928017504380620839 |
2025-May-29 21:37:20 The multiflora rose is out in my garden.
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2025-May-28 17:13:53 #Silicon transistor image where you can see the individual atoms. #physics #lithography
RT https://x.com/IanCutress/status/1927611558210797982 |
2025-May-28 17:10:34 Starship Flight 9 and future flights. #space #SpaceX
RT https://x.com/elonmusk/status/1927531406017601915 RT https://x.com/ShanaDiez/status/1927592912814006553 |
2025-May-27 21:56:31 They put Windows 11 on my work PC.
+ I do like the tabbed Explorer and Notepad interfaces. - Explorer has a huge toolbar you can't turn off. - Horrible waste of space (huge margins) in some interfaces, inconsistently. - Font rendering in Notepad is seems ugly for some reason. + Another bit of good news is that it doesn't appear to be actively breaking compatibility or preventing me from working, so far... - All the new icons are ugly... HOW? |
2025-May-26 23:24:55 Open problem on prime numbers. #maths
https://en.wikipedia.org/wiki/Legendre%27s_conjecture |
2025-May-26 20:28:02 Planck stars.
[paper] #astronomy #astrophysics #physics #gravity https://arxiv.org/pdf/1401.6562 |
2025-May-26 01:19:30 Saw what looked like fighter jets flying overhead as I was driving around today, probably for a Memorial Day air show. |
2025-May-24 00:23:29 Writing the maths/physics code is the easy part, getting all the sign errors out of it is the hard part (basically my entire week). |
2025-May-23 23:52:02 New ultra-distant #galaxy discovered. #space #astronomy #JWST
https://bigthink.com/starts-with-a-bang/jwst-breaks-record-most-distant-galaxy-mom-z14/ |
2025-May-23 17:51:58 https://www.bbc.com/news/articles/c1e6jp6z6lgo |
2025-May-23 17:20:10 Nice image looking across #Saturn's ring plane from the Cassini spacecraft in 2006. #space #astronomy
https://www.nasa.gov/image-article/postcard-from-ring-plane/ |
2025-May-23 17:17:03 #Starship Flight 8 mishap analysis:
https://www.spacex.com/updates/#flight-8-report and Flight 9 plans: https://www.spacex.com/launches/mission/?missionId=starship-flight-9 #space #SpaceX |
2025-May-22 20:24:56 1 cent #coin to be phased out. #economics
https://www.bbc.com/news/articles/cx2j07858lno |
2025-May-22 20:24:43 A solution of
A cos θ + B sin θ = C is θ = asin(C/sqrt(A2+B2))-atan2(x=B,y=A). #maths |
2025-May-22 20:24:34 Always listen to ducks carefully so nothing slips through the quacks. |
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.
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2025-May-15 01:17:31 Added some accessories (vacuum dust shoe, offline controller). #CNC
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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
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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
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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.
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2025-May-10 21:19:59 Built a table, then built a CNC machine.
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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
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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/
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2025-May-02 20:17:14 Why has a hat stand appeared by my experiment?
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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 |
