David Appell

@davidappell

Freelance science writer. PhD, physics, Stony Brook University. Pubs in SciAm, Physics World, New Scientist, and lots more. Always learning. Go Penguins!

Keizer, Oregon
davidappell.com
Joined February 2009
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  1. Aug 20

    WOW-I just heard that a police took down, knelt on his neck until he lost consciousness and stopped breathing, as he was accused of stealing 100s of thousands of dollars from...oops, never mind, I have him confused with a black guy and a $20 bill.

    1 like
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  2. Aug 14

    Who is this heroic reporter?

    0:12
    Reporter: "After 3 1/2 years, do you regret all the lying you've done to the American people? Trump: "All the what?" Reporter: "All the lying." Trump: "That who has done?" Reporter: "You have done." Trump: "Uhhh."
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  3. Retweeted
    Aug 14

    With July data in, we are still predicting a ~70% of a new record for the GISTEMP annual mean. Odds are a little less should a medium to strong La Niña develop in the fall. It is certain to be a top 5 yr & to be the 6th year in a row more than 1°C warmer than the late 19th C.

    13 replies 67 retweets 105 likes
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  4. Retweeted
    Aug 8
    Replying to

    The revolution will not be funded.

    1 retweet 3 likes
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  5. Retweeted
    Aug 9

    : More than 100 -fired plants have been replaced or converted to since 2011.

    1 reply 23 retweets 31 likes
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  6. Retweeted
    Aug 4

    J-G Pageau: 5'9" Brian Boyle: 6'7"

    40 replies 336 retweets 2,018 likes
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  7. Retweeted
    Aug 2

    COVID Update August 2: If someone told you, you could save somebody’s life, your answer would be what do I have to do?

    260 replies 4,165 retweets 15,121 likes
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  8. Jul 31

    2020 Arctic sea ice extent, while for the moment lowest in the modern records, has seriously stalled and is quickly falling back into the pack. Maybe a record low another year.

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  9. Jul 31

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  10. Retweeted
    Jul 28

    The Penguins and Flyers, two of the fiercest rivals in sports, united in solidarity this afternoon, to stand up against social injustice, racism, and hate. The teams stood as one across each club’s respective blue lines prior to today’s game.

    174 replies 1,238 retweets 8,215 likes
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  11. Retweeted
    Jul 29

    Oregon’s governor announces phased withdrawal of federal officers

    20 replies 29 retweets 77 likes
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  12. Jul 29

    US for April lowest since modern record keeping began:

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  13. Retweeted
    Jul 28

    - 2019 U.S. production falls to its lowest level since 1978

    2 replies 40 retweets 56 likes
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  14. Retweeted
    Jul 29

    - U.S. consumption in April 2020 fell to its lowest level in more than 30 years

    39 retweets 52 likes
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  15. Jul 28

    Trump’s New COVID Doctor Says Sex With Demons Makes You Sick via

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  16. Jul 27

    371 (!)

    At least 371 different proofs of the Pythagorean theorem exist, including some gems provided by Euclid, Leonardo da Vinci, and U.S. President James Garfield. Why do mathematicians love to prove the same theorems over and over again?
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  17. Jul 26

    I have a sea-level rise joke, but it take a very long time to tell it.

    1 like
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  18. Jul 26

    Albert Einstein ordered 1,000 copies of the famous 1946 issue where John Hersey profiled six victims of the Hiroshima nuclear bomb. But... "Harry Truman Didn’t Want to Read About What He’d Done to Hiroshima" via

    1 retweet 2 likes
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  19. Jul 25

    Portland protester Donavan La Bella, hit by munition fired by federal officer, recovering but still suffering from brain injury

    1 reply
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  20. Jul 24

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