Stephen Sekula steve@hub.polari.us

Dallas, TX, USA

Husband; Associate Professor of Physics; I teach at SMU in Dallas, TX; I study the Higgs Particle with the ATLAS Experiment at the Large Hadron Collider at CERN; writer and blogger; drummer; programmer; teacher; scientist; traveler; runner; gardener; open-source aficionado.

2020-03-31T23:00:54Z via NavierStokes To: Public
From Fermilab on Twitter: Did you know you can virtually go inside a neutrino detector? Check out VENu, the Virtual Environment for Neutrinos, which takes you inside the MicroBooNE detector! (Available for both iOS and Android). http://venu.physics.ox.ac.uk/ https://twitter.com/Fermilab/status/1245106107137261570/photo/1
2020-03-31T13:50:53Z via NavierStokes To: Public
As we have explored a little this semester, Bragg Scattering would also prove a crucial tool in directly revealing the wave nature of matter. #PHYS3305 https://twitter.com/nobelprize/status/1244870546040422400
Hydroxychloroquine and azithromycin versus COVID-19: Grift, conspiracy theories, and another bad study by Didier Raoult
2020-03-31T01:00:45Z via NavierStokes To: Public
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"Hydroxychloroquine and azithromycin versus COVID-19: Grift, conspiracy theories, and another bad study by Didier Raoult"

On Friday, Prof. Didier Raoult posted another study of azithromycin and hydroxychloroquine used agai...

http://sciencebasedmedicine.org/hydroxychloroquine-and-azithromycin-versus-covid-19/?utm_source=rss&utm_medium=rss&utm_campaign=hydroxychloroquine-and-azithromycin-versus-covid-19
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2020-03-30T21:50:55Z via NavierStokes To: Public
Life in the home classroom/research lab/office. https://twitter.com/drsekula/status/1244743557094703104/photo/1
2020-03-30T21:50:54Z via NavierStokes To: Public
Life in the home classroom/research lab/office. https://twitter.com/drsekula/status/1244743557094703104/photo/1
2020-03-30T00:11:54Z via NavierStokes To: Public
Moar decaying muons! This weekend I learned how to generate the error band in the fit plot in Python. This is also the first evening the low side of the error band in the highest decay time bins has NOT included zero at 1 sigma. Statistics filling in nicely! Thanks, nature! https://twitter.com/drsekula/status/1244413618210377731/photo/1
Sunday in the Park with Pandemic
2020-03-29T23:30:48Z via NavierStokes To: Public
"Sunday in the Park with Pandemic"

Scenes from Collin County, TX. Sidewalk chalked with Biblical messages, presumably ahead of Easter. “Spread hope, not Coronavirus” one implores. The sidewalk runs in front of the park. It’s a city park. A sign is staked into the ground nearby, indicating the park is closed by order of the city. Children climb the monkey bars and run …
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https://steve.cooleysekula.net/blog/2020/03/29/sunday-in-the-park-with-pandemic/
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2020-03-28T19:50:50Z via NavierStokes To: Public
On the latest episode of the Uncertainty Principle Podcast, I share a glance at Paul Dirac through two lenses: one of his biographers, and a Wisconsin State Journal sports reporter. http://feeds.feedburner.com/Uncertain3305 https://twitter.com/drsekula/status/1243987147822153728/photo/1
2020-03-27T23:20:53Z via NavierStokes To: Public
Let's get our muon lifetime fix! Since starting this report, the detector recorded 3931 muon decay candidates over 339 hours of continuous data-taking. An exponential decay + flat combinatoric model gives a lifetime of 2176 +/- 36 nanoseconds. Model visualization is fancier now! https://twitter.com/drsekula/status/1243676968790474760/photo/1
The Routine
2020-03-27T02:00:45Z via NavierStokes To: Public
"The Routine"

Get up at 6am, or thereabouts. Grab Chromebook. Head to living room. Make coffee. Read newspapers. Shower. Dress for work. Attend morning meetings. Eat breakfast and plan day with Jodi. Start normal work day in the home office. If it’s a Tuesday or Thursday, prepare for class; otherwise, focus on research projects. Check in with …
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https://steve.cooleysekula.net/blog/2020/03/26/the-routine/
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2020-03-26T23:11:11Z via NavierStokes To: Public
From justinvasel on Twitter: Government: Work from home #Neutrino physicists: https://twitter.com/justinvasel/status/1242959609754779653/photo/1
2020-03-26T23:11:11Z via NavierStokes To: Public
From KIPAC1 on Twitter: Kudos to our friends @SETIInstitute for their first online #SETI_Talk! "Extremophiles: Extreme Life on Other Worlds?" featuring John Rask and Jared Broddrick of @NASAAmes. It's already up for those who couldn't watch real time. https://www.seti.org/event/seti-talks-virtual-edition-extremophiles-extreme-life-other-worlds
2020-03-26T23:11:10Z via NavierStokes To: Public
From megwatzke on Twitter: What's a pulsar? It's the dense, rotating core left behind after a giant star collapses. This is the Vela pulsar, which rotates faster than a helicopter rotor and shoots out jets about 70% the speed of light that @chandraxray sees. #space #science https://twitter.com/megwatzke/status/1243161851057201153/video/1
2020-03-25T23:41:04Z via NavierStokes To: Public
From Fermilab on Twitter: Scientists search for origin of proton mass: https://www.symmetrymagazine.org/article/scientists-search-for-origin-of-proton-mass
2020-03-25T23:41:03Z via NavierStokes To: Public
From keranews on Twitter: 3 SMU Students Test Positive For #COVID19 & Denton County Confirms 19 New Cases ⬇️Here's the latest on how the #coronavirus is affecting North Texas. https://www.keranews.org/post/covid-19-live-updates-3-smu-students-test-positive-denton-county-reports-19-new-cases https://twitter.com/keranews/status/1242956982853795840/photo/1
2020-03-25T23:10:56Z via NavierStokes To: Public
Your daily #muon decay lifetime measurement! Surprise... the "missing bins" have filled in since I mentioned them yesterday. Nature delivered a bunch of muons in the "gap" regions that existed yesterday. Be careful about fretting over small statistics...! https://twitter.com/drsekula/status/1242950257270497286/photo/1
2020-03-24T22:10:53Z via NavierStokes To: Public
There is a lot of attention on exponential functions with the growth of #COVID19 Here's a less scary example of exponential behavior in nature: the decay probability of #muons, heavy cousins of #electrons. This is running continuously and based on 266 hours of data so far. https://twitter.com/drsekula/status/1242572407505850374/photo/1
2020-03-24T22:00:49Z via NavierStokes To: Public
Digital teaching, followed by analog run. It was another good digital teaching day. Held my #PHYS3305 class, which is interactive (students break into groups using breakout rooms and work together to solve problems). Gathered work/answers using Canvas. #ZoomLife #FacultyLife https://twitter.com/drsekula/status/1242570216929996805/photo/1
2020-03-24T14:20:56Z via NavierStokes To: Public
Had an AWESOME @SMUPhysics #PHYS1010 (Honors Physics) digital class last night. The 5 teams each gave 10 minute talks on the status of the "Physics of Video Games" grand challenge problem. 15 participants, lively discussions, ended nearly on time, almost zero technical problems! https://twitter.com/drsekula/status/1242454181010644992/photo/1
2020-03-22T23:21:01Z via NavierStokes To: Public
From Fermilab on Twitter: Want to jump into particle physics? This playlist tackles some of the most intriguing topics - from the size of our universe and the kinds of matter within it to tiny, mysterious particles and the experiments scientists build to study them. https://www.youtube.com/playlist?list=PL5E3EC8B620AD02BC