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The Adventures of My Pet Hamster

The Personal Blog of Stephen Sekula
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“Ring-a-round the rosie … “ The Great Conjunction of Jupiter and Saturn won’t be this visually stunning until the 2080s, when Jodi and I will both be long dead. The skies are clear over North Texas, and we resolve to take out our telescope and setup in a nearby park […]

Ashes, Ashes

The coronavirus has continued to burn through the United States. Americans divided and unable to agree on even basic science-based measures to mitigate the pandemic, have been dry kindling to this slow, patient, steady forest fire of infection. A large segment of the population has chosen to live in ignorance, […]

COVID journal: Day 269

Scenes from Thanksgiving VII

Scenes from Thanksgiving VI

Scenes from Thanksgiving V

Scenes from Thanksgiving IV

Scenes from Thanksgiving III

Scenes from Thanksgiving II

Scenes from Thanksgiving I

With reports from Pfizer/BioNTech and Moderna that the preliminary analysis of their data suggests a 95% effective vaccine (one each for each company) [1], I found myself wondering about the mathematics of vaccine effectiveness. There were some small details about how numbers were calculated from the data that were lost […]

A little bit of math: vaccine efficacy

There are a lot of idiots on social media. This will come as no surprise to most of you (to the rest … well, chalk up one more). For example, in response to the COVID Tracking Project’s update of weekly COVID-19 infection, hospitalization, and death data, this was posted: Of […]

The Horror of COVID-19 in One Chart

Sign in front of the United States Department of Energy Forrestal Building on 1000 Independence Avenue in Washington D.C.

The Biden transition team has been hard at work preparing for the first real presidency in 4 years. While there will be a lot of work to do to claw out of the abyss created by the previous 4 years of chaos, mismanagement, and willful ignorance of reality, it’s nevertheless […]

A Look Ahead: Department of Energy 2021

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  • (no title)
    October 15, 2025
    Good morning, #Sudbury!
  • (no title)
    October 15, 2025
    I pulled out my own undergraduate notes for 2nd semester quantum mechanics. I was doing it to help communicate something to a colleague of […]

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