Physicist and professor at a school on the north side of Chicago. Black holes, quantum gravity, cosmology. Rocky Top, Tar Heel. Science, dogs, lake photos. Faves are spooky action at a distance, boosts are Lorentz transformations to another inertial frame. Opinions are mine, not my employer’s.
#Physics #BlackHoles #Gravity #SciComm #Dogs Level 14 Prof of Physics, Neutral Good, S:11 I:16 W:15 D:11 C:12 Ch:11, HP: 68, THAC0: 11, Equipment: Vorpal Chalk, Periapt of Tenure, Tweed Jacket (Cursed)
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Published at
2023-03-27T16:57:41+02:00 Event JSON
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Last Notes npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees @npub1ulm…hweg Uh, welcome to Chicago! npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees You know what they call a political conference that lets Nazis mingle openly? A meeting of the Nazi Party. https://www.nbcnews.com/news/us-news/nazis-mingle-openly-cpac-spreading-antisemitic-conspiracy-theories-fin-rcna140335 npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees The cover of today’s Daily Tar Heel, the UNC student newspaper. https://files.mastodon.social/media_attachments/files/110/978/472/753/624/887/original/b0899a4b5eefc94b.jpeg npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees Thom Tillis has received nearly $6 million from the NRA. The NRA owns his vote. If he was really serious about this, he’d stop taking their checks. https://files.mastodon.social/media_attachments/files/110/970/284/840/392/904/original/9f15cbff477be63c.jpeg npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees The Voyager 2 spacecraft launched #OTD in 1977. It is currently 12.4 billion miles from Earth, hurtling through interstellar space at about 34,400 mph with respect to the sun. Voyager 2 is so far from Earth that round trip for signals is 36.5 hours. Only its twin Voyager 1 (which launched a few weeks later, but took a more direct route out of the solar system) is further. Image: NASA/JPL-Caltech https://files.mastodon.social/media_attachments/files/110/923/090/820/034/518/original/bfa58da5e59cf8df.jpeg https://files.mastodon.social/media_attachments/files/110/923/090/879/770/323/original/473ea11df6d22437.jpeg https://files.mastodon.social/media_attachments/files/110/923/090/959/428/273/original/87394be4901061bd.jpeg https://files.mastodon.social/media_attachments/files/110/923/091/066/651/565/original/67e5fe78e8833572.jpeg npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees A remake of “The Trouble with Tribbles” but it’s about my to-read pile. npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees “The effect may be considerable in a few centuries.” A New Zealand newspaper posted a short article OTD in 1912 — 111 years ago! — pointing out that burning too much coal would have a negative impact on Earth’s climate. https://paperspast.natlib.govt.nz/newspapers/ROTWKG19120814.2.56.5 https://files.mastodon.social/media_attachments/files/110/889/674/216/724/025/original/343ff18c83b18e7a.jpeg npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees @npub1tpj…fmcs I have this problem with our window seat and the baby bunnies in the back yard. https://files.mastodon.social/media_attachments/files/110/883/426/235/364/334/original/c005d9f8a735af37.jpeg https://files.mastodon.social/media_attachments/files/110/883/426/617/731/576/original/538d478f2eb691b1.jpeg npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees For all his scientific accomplishments, Erwin Schrödinger was a sexual predator who wrote in his journal about infatuations with girls as young as 12. He groomed a 14 year old; when she was 17 he got her pregnant then abandoned her. He argued that his genius gave him the right to pursue young girls. https://files.mastodon.social/media_attachments/files/110/878/769/864/170/717/original/7c398ff4fe7994c3.png https://files.mastodon.social/media_attachments/files/110/878/769/768/453/129/original/814e37c2373eaf40.png npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees Astronomer Henrietta Swan Leavitt was born OTD in 1868. She established the period-luminosity relation for Cepheid variable stars, an essential tool for understanding the scale of our Universe. Image: Harvard-Smithsonian Center for Astrophysics https://files.mastodon.social/media_attachments/files/110/831/585/668/405/355/original/a9703e15cb0c4d6a.jpeg npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees Pretty good Moon coming up over the ridge this evening. https://files.mastodon.social/media_attachments/files/110/817/650/216/820/707/original/64f9647679ca76c6.jpeg https://files.mastodon.social/media_attachments/files/110/817/650/351/169/588/original/27900d4ed3ef3274.jpeg npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees Good evening. https://files.mastodon.social/media_attachments/files/110/800/581/714/681/547/original/ff81f9d5ca76114d.jpeg npub1uvz2evy8pdx3e7ufa9h2wq2zglzurne77zr03pxrp487pfhv0vaq0pmqxw Robert McNees The very first photograph of the sun was taken #[0] in 1845. It was a daguerreotype made with a 1/60 second exposure by the physicists Louis Fizeau and Léon Foucault. https://files.mastodon.social/media_attachments/files/110/129/748/668/755/696/original/be6adc6146772a35.jpeg