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Had another average week on my mathematics blog, despite my plans for one piece getting interrupted by the power outage, so if you didn't see it on your RSS feed here's your second chance:

• Reading the Comics, May 2, 2017: Puzzle Week if you needed stuff to do for fun.
• How April 2017 Treated My Mathematics Blog plus a faintly despairing picture of it all!
• Excuses, But Classed Up Some so here's the Legendre Transform.
• Reading the Comics, May 13, 2017: Quiet Tuesday Through Saturday Edition, although Sunday and Monday were on pace.

We didn't just spend all Sunday at Pinburgh looking at odd pinball games and weird performances. We also looked at old arcade and console games. For example:

Ancient console system playing what I guess is Pong maybe? I love how 1978 it all looks.

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This is what every modern game console looks like to me. Well, they're having fun.

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For the era that's an impressive shot of Generic Stadium. Also but heck that's a disheartening score for the ATLs. I mean, that's the kind of score you don't see since the Tripartite Agreement.

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Person with a rather good costume chatting with an Imperial Stormtrooper. You would totally believe she's a little girl!

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View of one of Pittsburgh's many bridges outside the side windows. I saw this a bunch of times because there was a vending machine with cheaper Diet Pepsi in it, most of the time, than any of the in-venue dealers offered.

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Trivia: In 730 the Venerable Bede set out to prove the spring equinox did not, as commonly supposed, happen the 25th of March. Though a year of observation with his sundial he found the spring equinox of 731 did not happen on the same day as the year before, indicating the estimate of the year of 365 and a quarter days was not quite right. Source: The Calendar: The 5000-Year Struggle to Align the Clock and the Heavens --- and What Happened to the Missing Ten Days, David Ewing Duncan.

Currently Reading: Heat And Thermodynamics: A Historical Perspective, Christopher J T Lewis.