Paul Johnson

@ptwiddle

American Lecturer at University of Sheffield. Two daughters. Maths, ineffectual political rage, jokes with friends,.

Sheffield
Vrijeme pridruživanja: srpanj 2009.

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  1. 29. sij

    Impeccable timing: our teaching evaluations from last term were just released to us today, that we are required to write a response to. Don't expect to get much of a response from admin on this, as we heard little from after our recent internal staff survey with bleak results...

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  2. proslijedio/la je Tweet
    29. sij

    Talked with seniors about how to give a good presentation. Used Joe Gallian’s advice found here: I think it requires updating. Question from students: “What’s a transparency?”

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  3. 26. sij

    Musical obsession of the moment: Joe Fiedler's Big Sackbut playing "King of the Road"

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    20. sij

    I wonder how The Discourse rates the relative importance of college kids protesting invited speakers vs a massive armed mob showing up to intimidate a state legislature.

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  5. proslijedio/la je Tweet
    18. sij
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    16. sij

    As a researcher who studies college sexual assault, one of the most common questions I'm asked is, "My daughter is starting college soon and I'm so concerned about campus sexual violence. What do I do as a parent?" Here's my answer:

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    13. sij

    Imagine you made a sandcastle. It gets shown to expert builders One says it's nice but maybe add some towers One says it should've been a farm from the start One asks why you didn't use cement Eventually it's good enough, so someone fences it off and charges money to see it

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    10. sij

    The rare water rabbit

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    10. sij

    It's ! Though there's no evidence Leonardo of Pisa (Fibonacci) had any original mathematical ideas whatsoever, people attribute lots of 12th-13th century math to him because he was wealthy and European enough to leave a paper trail.

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  10. proslijedio/la je Tweet

    NEW: A Trump admin rule says states & counties that resettle refugees can now block them. and I went to Bismarck, N.D. -- long a refugee haven and a mostly white, conservative, pro-Trump region -- where a push to ban new refugees has erupted

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    8. sij

    Studying or teaching Complex Analysis? This online book might be useful. ⭐️Complex Analysis: A Visual and Interactive Introduction⭐️ 🔗 Thanks everyone for your suggestions and reporting issues to improve this project.

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    8. sij

    My favourite irony is that if we simply gave students gold, silver or bronze without feedback LIKE DOES, they’d fail us.

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    7. sij

    Making a classical labyrinth in one fell swoop

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  14. 28. pro 2019.

    Whoops, forgot the picture:

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  15. 28. pro 2019.

    Three inches of snow already, another foot or so on the way, time to break out the board games and the puzzles that were Christmas presents.

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  16. proslijedio/la je Tweet

    This move will disenfranchise tens of thousands of eligible voters. And all to solve a problem that has been proven statistically negligible. This is voter suppression, make no bones about it.

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    17. pro 2019.

    My favourite puzzle of 2019: A chessboard has a coin on every square. Someone points at a square. You are allowed to flip exactly one coin on the board. When your friend walks in the room they must identify the coin that was pointed to. What's the strategy?

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    17. pro 2019.

    Apropos of absolutely nothing (just kidding, apropos of this: ) let's take a look at how responded to the 1950 Loyalty Oath crisis. Put on some coffee and get comfortable; there's a lot going on here... 1/n

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    Deeply disappointed to learn that the Erasmus teaching fellow who was due to visit the department next semester has had to cancel - their University believe that after 31 Jan the Erasmus+ agreement with the UK will no longer be valid due to Brexit. A real loss for our students.

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  20. 13. pro 2019.

    Olivia Blake (Lab) 19,709 Laura Gordon (LD) 18,997 Ian Walker (C) 14,696 Natalie Thomas (Green) 1,630 Terence McHale (Brexit) 1,562 Bonkers to me how vote is spread over multiple parties here. Why did US settled on two party system, but UK didn't, even with FPTP?

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