Stephen Sekula on chirp.cooleysekula.net

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1. Stephen Sekula (steve)'s status on Tuesday, 31-Oct-2023 20:20:15 EDT Stephen Sekula

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   Let’s end # DarkMatterDay with a video of a single bubble nucleating in a # PICO40L dark matter bubble chamber. This is precisely the kind of behaviour that would result from # DarkMatter interacting with a detector like this. You expect a single, low-energy interaction nucleating a lone, isolated bubble. This is why it’s so critical to construct these with low radioi…
2. Stephen Sekula (steve)'s status on Tuesday, 31-Oct-2023 18:05:14 EDT Stephen Sekula

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   If audiobooks are more your style, explore # DarkMatter and # DarkEnergy with this reading of chapter 6 of "Reality in the Shadows", co-authored with Frank Blitzer and Jim Gates. https:// media.cooleysekula.net/w/mXjBq T2F55zdhvtERHcJsu # DarkMatterDay # Books # Writing
3. Stephen Sekula (steve)'s status on Tuesday, 31-Oct-2023 09:15:14 EDT Stephen Sekula

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   Interested in the connections between # MachineLearning , # DeepLearning , and the dark # cosmos ? Check out my last lecture for my introductory physics class from the spring term of 2018, "Deep Learning the Dark Cosmos". https:// media.cooleysekula.net/w/7ghp3 HdivkueDrRmgzaigh # DarkMatterDay
4. Stephen Sekula (steve)'s status on Tuesday, 31-Oct-2023 06:30:19 EDT Stephen Sekula

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   Happy # DarkMatterDay ! I will share some fare today relevant to this day. Enjoy the mystery of the unidentified matter that has shaped the # cosmos . Maybe you will even want to become engaged in solving the # mystery . There are no easy answers on the constituents of dark matter. Easy stuff was done long ago. :-) https://chirp.cooleysekula.net/attachment/11abb096c3e02dbe038a450f3c9fa9d994ba911c83c0a8f685b275a4bd5d3f17/view
5. Stephen Sekula (steve)'s status on Monday, 30-Oct-2023 11:50:16 EDT Stephen Sekula

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   Got some lovely little hail pellets today (a few mm in diameter). https://chirp.cooleysekula.net/attachment/e29ee3ed51937ab1344be60092fe6008e9de13dfb23627a2e66440d883205c00/view
6. Stephen Sekula (steve)'s status on Monday, 30-Oct-2023 06:10:12 EDT Stephen Sekula

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   From ec_euclid@astrodon.social on Mastodon: Attention # science # media and # journalists : # press event for release of the first full-colour images of the # ESAEuclid mission, Tuesday, 7. November. Registration deadline for media event at # ESOC (Darmstadt, Germany) and remote attendance is Friday 3. November: http://status.hackerposse.com/url/24175. http://status.hacke…
7. Stephen Sekula (steve)'s status on Sunday, 29-Oct-2023 14:50:13 EDT Stephen Sekula

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   From coreyspowell@mastodon.social on Mastodon: For a dose of perspective: Even at the peak speed of the Parker Solar Probe (~180 km/sec), it would take more than 7,000 years to reach Alpha Centauri, the nearest star system. Interstellar distances are HUGE. # space # science # travel
8. Stephen Sekula (steve)'s status on Saturday, 28-Oct-2023 19:30:13 EDT Stephen Sekula

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   From AuthorHelp@social.authorhelp.uk on Mastodon: The first # FediBookFair is set for this coming weekend, 4th
9. Stephen Sekula (steve)'s status on Saturday, 28-Oct-2023 19:25:12 EDT Stephen Sekula

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   From Mastodon@mastodon.social on Mastodon: New # Mastodon for Android update comes with lists and a reworked home tab. We won't stop until it's the best social media app on Android! https:// blog.joinmastodon.org/2023/10/ mastodon-for-android-update/
10. Stephen Sekula (steve)'s status on Saturday, 28-Oct-2023 16:50:15 EDT Stephen Sekula

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    Absolutely incredible performance of "The Curious Incident". Anyone who can see this in # Sudbury absolutely should. Its run ends in a week. The cast even weathered an unexpected power bump at the theatre in the closing lines of the play with humour and grace. And I love seeing a good maths problem solved in real time. https://chirp.cooleysekula.net/attachment/1938b19c58021255c5a523088f0176494ccf344474aa9381a804ff6e456dcde7/view
11. Stephen Sekula (steve)'s status on Saturday, 28-Oct-2023 13:25:15 EDT Stephen Sekula

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    Enjoying a little treat before seeing "The Curious Incident of the Dog in the Night-Time" at the # Sudbury # Theatre . # OldRockCoffee https://chirp.cooleysekula.net/attachment/20f873270c8580ced23c84041d18a4e03ee1b722ebd112b28e0b23b6d4a79d13/view
12. Stephen Sekula (steve)'s status on Saturday, 28-Oct-2023 08:30:14 EDT Stephen Sekula

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    Yikes. You never realize how much, as a scientist, you travel for work until you are forced to confront your travel record. As part of our immigration process in # Canada , we have to provide 10 years of travel outside Canada and the US. My memory was thin. But I kept detailed records. In reviewing those records, I cannot believe how much I traveled for CERN-related activ…
13. Stephen Sekula (steve)'s status on Saturday, 28-Oct-2023 07:20:12 EDT Stephen Sekula

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    From gutenberg_org@mastodon.social on Mastodon: English Mathematician John Wallis died # OTD in 1703. In 1657 Wallis published the Mathesis Universalis (“Universal Mathematics”), on algebra, arithmetic, and geometry, in which he further developed notation. He invented and introduced the symbol ∞ for infinity. He similarly used 1/∞ for an infinitesimal. John Wallis…
14. Stephen Sekula (steve)'s status on Friday, 27-Oct-2023 18:40:14 EDT Stephen Sekula

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    Sudbury's SNOLAB gets a $14M boost from provincial government https:// flip.it/L5AZ78
15. Stephen Sekula (steve)'s status on Friday, 27-Oct-2023 18:15:13 EDT Stephen Sekula

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    # SNOLAB welcomes funding boost | SNOLAB https://www. snolab.ca/news/snolab-welcomes -funding-boost/ Really excited about this news from the Province of # Ontario !
16. Stephen Sekula (steve)'s status on Friday, 27-Oct-2023 13:20:13 EDT Stephen Sekula

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    Had a lot of fun being interviewed on the # CBC # Sudbury "Morning North" program about # DarkMatter Day! I really enjoyed the questions ... I always have a lot of fun talking about the many aspects of scientific research, @ SNOLAB , and the mystery of dark matter. https://www. cbc.ca/listen/live-radio/1-41- morning-north/clip/16018940-while-celebrate-halloween-physicists-celebrating-dark-matter-day
17. Stephen Sekula (steve)'s status on Friday, 27-Oct-2023 06:40:14 EDT Stephen Sekula

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    From gutenberg_org@mastodon.social on Mastodon: Austrian Physicist Lise Meitner died # OTD in 1968. She shared the Enrico Fermi Award (1966) with the chemists Otto Hahn and Fritz Strassmann for their joint research that led to the discovery of uranium fission. Despite her crucial role in its discovery, Meitner was excluded from the 1944 Nobel Prize in Chemistry awarded to…
18. Stephen Sekula (steve)'s status on Wednesday, 25-Oct-2023 20:40:12 EDT Stephen Sekula

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    Well, it’s official: I have started to learn how to # curl !
19. Stephen Sekula (steve)'s status on Wednesday, 25-Oct-2023 07:35:12 EDT Stephen Sekula

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    Checkout the “ # SNOLAB Asks Kids to Imagine” segment from yesterday’s “ # UpNorth ” program on # CBCRadio # Sudbury . Senior Education and Outreach Officer Blaire Flynn discusses the @ SNOLAB # DarkMatterDay international poster contest for students aged 4-19: https://www. cbc.ca/listen/live-radio/1-84- up-north
20. Stephen Sekula (steve)'s status on Monday, 23-Oct-2023 20:45:13 EDT Stephen Sekula

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    Are you ready for this year’s # DarkMatter Day? International Dark Matter Day occurs each year on October 31 ... which in many cultures coincides with another holiday, I am told. :-) This year’s theme is “Everyone Loves a Mystery”. Stay tuned for Dark Matter Day programming, and definitely check out the main site for this annual event: http://status.hackerposse.co…

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