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    Architect of the Capitol | Serve, Preserve,...

    Architect of the Capitol | Serve, Preserve, Inspire

    United States Capitol dome - it was two domes.

    The first dome was built over 1822-23, and it had a height of 140 ft / 43 m. It was made of...
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    AOC has Instagrammed on her tour of the Capitol...

    AOC has Instagrammed on her tour of the Capitol Dome. One goes up in it along the inside of it, and at the top of it, there is a small outdoor observation deck. One starts in the Crypt, a floor...
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    Protests all over the world. New York City,...

    Protests all over the world. New York City, London, Berlin, Johannesburg, Kabul, Kampala, Sao Paulo, Antarctica, Papua New Guinea, ... just about everywhere in the world with an open political system...
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    Greta Thunberg: TIME's Person of the Year 2019 |...

    Greta Thunberg: TIME's Person of the Year 2019 | Time


    TIME on Twitter: ".@GretaThunberg is TIME's 2019 Person of the Year #TIMEPOY https://t.co/YZ7U6Up76v https://t.co/SWALBfeGl6" / Twitter...
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    AOC Says She'll Introduce More Psychedelics...

    AOC Says She'll Introduce More Psychedelics Legislation In Congress | Marijuana Moment noting Decriminalize Nature: NYC - Posts

    Earlier this year,
    How Democrats Helped Republicans Shut Down AOC's...
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    Public Citizen on Twitter: ".@AOC: I’m tired of...

    Public Citizen on Twitter: ".@AOC: I’m tired of this idea that #MedicareForAll and tuition free public colleges are some hand out from somebody else. Nobody else is giving us a damn thing. We build...
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    Here are some group and algebra...

    Here are some group and algebra interrelationships.

    U(n) ~ SU(n) * U(1)

    Group O(n) has subgroup SO(n) with quotient group Z2 {1, -1}

    O(n) ~ SO(n) * Z2 only for odd n


    SO(1) ~ empty...
  8. Thread: Family Leave

    by lpetrich
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    CREDO Mobile on Twitter: "WATCH: Rep. @AOC shows...

    CREDO Mobile on Twitter: "WATCH: Rep. @AOC shows exactly why our country needs paid family and medical leave. 👇 All people deserve to be treated with basic respect and dignity. #PaidLeaveForAll...
  9. Thread: Family Leave

    by lpetrich
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    Newsweek on Twitter: ".@AOC slams U.S. policy on...

    Newsweek on Twitter: ".@AOC slams U.S. policy on paid family leave, says dogs get more time with their puppies than mothers with newborn babies https://t.co/MMFZziKZHx" / Twitter

    Alexandria...
  10. Thread: Family Leave

    by lpetrich
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    Family Leave

    AOC Slams U.S. Policy on Paid Family Leave, Says Dogs Get More Time With Their Puppies Than Mothers With Newborns

    Congress also decided on a deal about paid parental leave for Federal employees,...
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    barbos, what you describe are constraints. I will...

    barbos, what you describe are constraints. I will be more explicit:

    Orthogonality:
    M.MT = MT.M = I
    MT = transpose of M

    Unitarity:
    M.M+ = M+.M = I
    M+ = Hermitian conjugate of M = transpose...
  12. Thread: RussiaGate

    by lpetrich
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    I look at what Max Boot had written for the WaPo...

    I look at what Max Boot had written for the WaPo and I can't help think: why aren't more Republicans outraged at the Jerk-in-Chief?
  13. Thread: RussiaGate

    by lpetrich
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    80,824

    The Republicans have become the party of Russia....

    The Republicans have become the party of Russia. This makes me sick. - The Washington Post by Max Boot

    Tucker Carlson of Fox News goes further, eagerly siding with Russia.

    MB asks what Trump...
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    What's a Sandwich?

    Secular Talk on Twitter: "Is a hotdog technically a sandwich?" / Twitter
    had response
    Michael Grunder on Twitter: "@KyleKulinski Here's a technical diagram https://t.co/ldginwvFim" / Twitter

    The...
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    Building planets, piece by piece...

    Building planets, piece by piece - on the "pebble accretion" theory, that protoplanets collected pebble-sized chunks.



    These so-called 'super-puff' worlds could be exoplanets with ring |...
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    What We Know About That California Special...

    What We Know About That California Special Election And What It Could Mean For 2020 | FiveThirtyEight - from Nov 25.

    The Suburbs Are the Midterm Election Battleground - CityLab



    Density...
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    That is a constraint on the matrices, not a...

    I've read several books on Lie groups and Lie algebras, and I've never seen any expression for those matrices anywhere. My guess about them is that they are horribly complicated to calculate....
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    The Fantastically Strange Origin of Most Coal on...

    The Fantastically Strange Origin of Most Coal on Earth

    Huge forests of fernlike trees that could grow as much as 50 meters / 160 feet tall, and that did not decompose very much when they died....
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    Alexandria Ocasio-Cortez Is the Fourth Most...

    Alexandria Ocasio-Cortez Is the Fourth Most Tweeted About Politician in the World, Beating Clinton, Sanders and Biden
    noting
    #ThisHappened in 2019
    The most tweeted about: Donald Trump, Barack...
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    lkpetrich/Semisimple-Lie-Algebras: Does...

    lkpetrich/Semisimple-Lie-Algebras: Does "semisimple" Lie algebras, important for describing elementary-particle and space-time symmetries. Sets up algebras and representation basis sets in them....
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    I've read several books on Lie groups and Lie...

    I've read several books on Lie groups and Lie algebras, and I've never seen any expression for those matrices anywhere. My guess about them is that they are horribly complicated to calculate.

    A...
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    Gas bans, once a California specialty, arrive in...

    Gas bans, once a California specialty, arrive in New England | Energy News Network

    To avoid greenhouse-gas emissions by avoiding consuming fossil fuels.


    Norway’s net-positive buildings show...
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    Farms can harvest energy and food from same...

    Farms can harvest energy and food from same fields | Energy News Network
    Yet more agrivoltaics.

    Cost, comfort emphasized as building electrification takes off in Colorado | Energy News Network
    ...
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    Opinion | Don’t Let China Win the Green Race -...

    Opinion | Don’t Let China Win the Green Race - The New York Times

    Electric buses, subsidies for electric cars, high-speed trains between most major cities, ... Amtrak takes 19 to 22 hours between...
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    The paper's authors propose that more than one...

    The paper's authors propose that more than one Jovian planet can form, and that they can sideswipe each other or collide with each other, making the remaining planet(s) have high orbit eccentricity....
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