Went to see the TJ-II stellarator at CIEMAT. #physics #fusion
Notices by Stephen Brooks ๐ฆ (sjb@mstdn.io)
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Sunday, 29-Sep-2024 10:37:06 JST Stephen Brooks ๐ฆ -
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Sunday, 22-Sep-2024 02:49:32 JST Stephen Brooks ๐ฆ A social network where pixels of vertical space is limited rather than character count.
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Wednesday, 18-Sep-2024 13:23:57 JST Stephen Brooks ๐ฆ In my local supermarket there's a "clock" on the wall that seems entirely decorative. I think it's just a cardboard picture of a clock that always reads 4:45pm.
That got me thinking that non-functional clocks are a sign of civilisational decay. The object without its purpose.
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Tuesday, 10-Sep-2024 10:00:06 JST Stephen Brooks ๐ฆ Had a nightmare last night where I saw the blue criticality glow around something but couldn't find the emergency off button or open the shielding door. Then when it did open, the huge concrete rotating door nearly crushed me and a colleague.
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Saturday, 07-Sep-2024 22:50:55 JST Stephen Brooks ๐ฆ As we left the turbopump going for a couple of weeks, the #vacuum chamber pressure is now 8.1e-10 torr.
There also appears to be a t^(-2/3) power law.
#physics #accelerators -
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Tuesday, 03-Sep-2024 10:14:32 JST Stephen Brooks ๐ฆ The stars are out and the humidity haze has cleared. Still all the leaves on the trees but at least I can see Cassiopeia now. #astronomy
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Monday, 26-Aug-2024 06:53:36 JST Stephen Brooks ๐ฆ @wolf480pl or "because we built it wrong"?
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Monday, 26-Aug-2024 06:53:34 JST Stephen Brooks ๐ฆ @wolf480pl My angle is amusement at all the blame-shifting. After 2001 it was always "the terrorists did it" and after 2010 "the social media did it".
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Monday, 26-Aug-2024 06:38:04 JST Stephen Brooks ๐ฆ It's funny how governments offer all sorts of theories on why riots happen, but "government policy" is never one of them.
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Friday, 09-Aug-2024 12:30:56 JST Stephen Brooks ๐ฆ Squinting at the ruler, I'm guessing the spacing of the T-slots on my driller machine is 45mm. I refuse to believe something made in China would use 1 3/4" spacing. ๐
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Thursday, 08-Aug-2024 09:25:30 JST Stephen Brooks ๐ฆ The #vacuum group had connected the pumps and gauge this morning (gauge photo only shows backing vacuum level). The PC said "USB device detected: turbo pump" when we plugged it in! Then vacuum became e-7 level within 10 minutes of turbo operation.
#physics #accelerators -
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Thursday, 27-Jun-2024 00:39:41 JST Stephen Brooks ๐ฆ "US prosecutors have recommended that the Department of Justice (DoJ) brings criminal charges against Boeing."
https://www.bbc.com/news/articles/c0666zr4010o -
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Friday, 21-Jun-2024 11:47:08 JST Stephen Brooks ๐ฆ "because using wood is lighter [than steel] you can build taller turbines with less material."
150m high wooden #wind #turbine starts turning.
#green #energy
https://www.bbc.co.uk/news/science-environment-67718719In conversation from mstdn.io permalink Attachments
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Monday, 03-Jun-2024 03:56:49 JST Stephen Brooks ๐ฆ @splitshockvirus @eric @david It was still better than all the other integrated graphics options at the time. Intel integrated graphics from the early 2010s was a lot worse than a console.
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Friday, 24-May-2024 12:49:52 JST Stephen Brooks ๐ฆ @splitshockvirus I like the crusts but then again I am a duck.
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Thursday, 16-May-2024 10:23:57 JST Stephen Brooks ๐ฆ Here's my other IPAC'24 poster about permanent magnets for the CEBAF energy upgrade. #physics #accelerators
Full-res PDF here: https://stephenbrooks.org/ap/report/2024-6/cebafffa_poster.pdfIn conversation from mstdn.io permalink Attachments
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Wednesday, 08-May-2024 08:24:03 JST Stephen Brooks ๐ฆ My IPAC'24 poster about extracting ultra-low emittance Coulomb crystals from an ion trap without breaking them!
#physics #accelerators
[full res PDF] https://stephenbrooks.org/ap/report/2024-7/crystalextraction_poster.pdfIn conversation from mstdn.io permalink Attachments
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Thursday, 02-May-2024 20:02:46 JST Stephen Brooks ๐ฆ @wolf480pl I remember something like Y4C2M0 where M0 is the amount of brown ink in your LCD display.
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Thursday, 02-May-2024 20:02:45 JST Stephen Brooks ๐ฆ @wolf480pl Instead of RGB they use YMCA. Don't do that, those are printer colours, not for monitor.
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Stephen Brooks ๐ฆ (sjb@mstdn.io)'s status on Saturday, 09-Mar-2024 10:38:54 JST Stephen Brooks ๐ฆ My Mastodon timeline is distinctly non-chronological.
I think this is because of the whole broken server debacle.
The posts have the correct *timestamps* but 22h ago stuff appears mixed with 1h ago stuff, probably sorted by when it arrived on this server.
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