daniel holz @decohere
Black holes, gravitational waves, astrophysics, and cosmology. Doomsday Clock. Existential risk. danielholz.com University of Chicago Joined January 2010-
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The @BulletinAtomic Doomsday Clock is at 90 seconds to midnight. In this podcast we discuss why.
The @BulletinAtomic Doomsday Clock is at 90 seconds to midnight. In this podcast we discuss why.
An article about the Are We Doomed? class I taught with James Allen Evans. The material seems to be ever more relevant. We’ll be teaching it again Winter quarter, and hope to place all of the material online and freely available. mag.uchicago.edu/science-medici…
Excellent article by @majohnso . Perhaps the first time that scientists worried that their advances could doom humanity. But certainly not the last time. washingtonpost.com/science/2023/0…
Excellent article by @majohnso . Perhaps the first time that scientists worried that their advances could doom humanity. But certainly not the last time. washingtonpost.com/science/2023/0…
The 4th observing run of our gravitational-wave detectors officially starts today!! Stay tuned for lots and lots of black holes. And neutron stars too! @LIGO
The 4th observing run of our gravitational-wave detectors officially starts today!! Stay tuned for lots and lots of black holes. And neutron stars too! @LIGO
Please join us to watch and discuss the movie Fail Safe at the Siskel Center. As the announcement says, “We recognize this is a bummer. Complimentary popcorn will be provided with every ticket purchase—and drink specials will be offered!” siskelfilmcenter.org/fail-safe @BulletinAtomic
Short, powerful video introducing the Pathogens Project conference in Geneva.
Short, powerful video introducing the Pathogens Project conference in Geneva.
The #GravitationalWave detector network is expanding! #LIGOIndia caltech.edu/about/news/ind…
A new paper on gravitational lensing of gravitational-wave sources, led by Mesut Caliskan (started while he was a UChicago undergraduate) with @jmezquiagabravo and Otto Hannuksela. It's surprisingly difficult to distinguish lensing and (bad) luck! journals.aps.org/prd/abstract/1…
Achievement unlocked: Finding a typo in one of Bob Wald's equations
The latest issue of the #LIGOMagazine is out! This one includes lots of @LIGO @ego_virgo @KAGRA_PR excitement for O4 (we plan to turn back on in May!). It also includes an article on the collaboration's carbon footprint.
The latest issue of the #LIGOMagazine is out! This one includes lots of @LIGO @ego_virgo @KAGRA_PR excitement for O4 (we plan to turn back on in May!). It also includes an article on the collaboration's carbon footprint.
Mike Warren was an amazing friend and collaborator. He was one of a kind. Helped invent beowulf clusters (with numerous Gordon Bell prizes to prove it). Also expert at mountain rescue, bicycle racing, guitar, poker, pool, etc. So many happy memories. losalamosreporter.com/2023/02/23/obi…
Fun, fresh paper led by Reed Essick, asking whether GW sources are random on the sky. Although data is consistent with isotropy, we find an excess in the direction of constellation Equuleus. @GWastrology Note: title is pun intended. tinyurl.com/3huhhnmr @farrwill @mayaKfish
Congratulations to Yiqi Xie on publication of "Breaking bad degeneracies with Love relations". We explore using the neutron star equation-of-state to improve gravitational-wave cosmology. And who can resist a New Mexico-inflected pun? journals.aps.org/prd/abstract/1…
BREAKING: In his annual remarks, UN Secretary-General @antonioguterres said “the Doomsday Clock is a global alarm clock.” thebulletin.org/2023/02/un-sec… (1/n) #DoomsdayClock #UNGeneralAssembly #UNSG @BulletinAtomic @UN @UN_Disarmament
UN Secretary-General @antonioguterres tells us “the Doomsday Clock is a global alarm clock.” and “We need to wake up—and get to work.” We couldn’t have said it better. @francoisdm @BulletinAtomic thebulletin.org/2023/02/un-sec…
The #DoomsdayClock is now at #90SecondsToMidnight. Existential threats, like the possibility of nuclear war, put us all at risk. How do you want to see the world #TurnBackTheClock?
“If there was ever a time for world leaders to take actions to turn back the Clock, it’s now. Until then, it is 90 seconds to midnight.” Op-ed with @JerryBrownGov and @SharonSquassoni on @CNN. @BulletinAtomic @UChicago #DoomsdayClock cnn.com/2023/01/24/opi…
It is 90 seconds to midnight. It is time to turn back the clock. @BulletinAtomic @UChicago npr.org/2023/01/24/115…
This coming Tuesday we announce the setting of the #DoomsdayClock. We are currently at 100 seconds to midnight, the closest we have ever been. Tune in to find out if the @BulletinAtomic believe that humanity is finally able to #turnbacktheclock.
This coming Tuesday we announce the setting of the #DoomsdayClock. We are currently at 100 seconds to midnight, the closest we have ever been. Tune in to find out if the @BulletinAtomic believe that humanity is finally able to #turnbacktheclock.
An interview with Martin Rees: “The Earth’s been around for 45 million centuries. But this is the first of those centuries when one species, namely the human species, can destroy or degrade the entire planet. And so we are at an especially dangerous time.” thebulletin.org/2022/12/martin…
Will Kinney @WKCosmo
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Kimberly Lewis @KimberlyLe42654
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Dr. Antigoni Georgiad.. @AnG_m4th
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Tousif Islam (তৌ�.. @TauSigmaIota
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Deeshani Mitra @deeshani_m
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Clecio R. Bom @BomClecio
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chaucersdog 🌻 @chaucersdog
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Misael Valladares @Misael_V66
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Jelle Vandersnickt @AstroJelleVDS
38 Followers 68 Following Masters student Astronomy & Astrophysics @IvS_KULeuven🇧🇪 currently on exchange at the University of Toronto!🇨🇦
Nitin Raghorte @nitin_raghorte
250 Followers 2K Following Software Engineer..Physicist..Astronomy & Astrophysics..Quantum Computing..Alumni of NIT Nagpur(BE Mech)..Sports person and enthusiast..Air Pistol Shooter
Mika Kontiainen @MikaKonte
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David Hendriks @davidhendriks93
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Anjali Adukia @aadukia
3K Followers 2K Following Faculty @UChicago @HarrisPolicy | Director @MiiELab | Education, children, joy | she/they | #checkyourself | Grateful | threads: anjaliadukia, aadukia.bsky
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107 Followers 180 Following A psychologist with a passion for helping leaders tackle transformational workforce and organization change to sustain a competitive advantage.
Brandon Sayler @brandonsayler
299 Followers 754 Following sailing. cruising. sailing and cruising. you get the point. @Penn
Christopher Berry @cplberry
6K Followers 2K Following #GravitationalWave astrophysicist (@LIGO). @UofGravity Senior Lecturer, past @NUCIERA Research Prof. Science, education, LEGO & cake. May contain traces of nuts
Leo C. Stein is @duet.. @duetosymmetry
16K Followers 2K Following Physics Prof @ U of MS. Black holes, gravitational waves, general relativity & beyond. Formerly @Caltech @MIT @Cornell. Need thin pizza + fruity coffee. He/him
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Jose María Ezquiaga .. @jmezquiagabravo
612 Followers 326 Following Assistant Professor at Niels Bohr Institute. Learning about the universe with gravitational waves
Salvatore Vitale @sasomao
2K Followers 655 Following Professor of Physics @MIT, @LIGO. Works on #GravitationalWaves, #BlackHoles, and other extreme objects.
Floor Broekgaarden �.. @FloorAstro
2K Followers 1K Following Junior Fellow @FlatironCCA @ColumbiaThea studying Black Holes & Gravitational Wave Paleontology Incoming Prof @JohnsHopkins '25 PhD from @CenterForAstro '23
Silvia Galli @cosmosgalli
806 Followers 207 Following Cosmologist at @astroIAP-Paris exploring the universe with @planck and the @SPTelescope. PI of the ERC consolidator grant #NEUCosmoS https://t.co/Z9M678BKal
Antonella Palmese @EllaPalmes
764 Followers 443 Following Astrophysicist, Assistant Professor @CarnegieMellon, gravitational waves and galaxy surveys. Beach volleyball player, crossfitter. 🇮🇹 She/her
Julianne Dalcanton @dalcantonJD
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LIGO @LIGO
111K Followers 315 Following Official Twitter of the LIGO Scientific Collaboration. We detect gravitational waves! Email: [email protected]
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2K Followers 504 Following Near-field Cosmologist and Assistant Professor of Astronomy and Astrophysics at University of Chicago. he/him
Michael Zevin @spacedontwait
292 Followers 164 Following Astrophysicist | Adler Planetarium | Black hole enthusiast | Musician
Future of Humanity In.. @FHIOxford
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Centre for the Study .. @CSERCambridge
16K Followers 1K Following @Cambridge_Uni interdisciplinary research centre dedicated to the study and mitigation of risks that could lead to human extinction or civilizational collapse.
Bernard F. Schutz @bernardfschutz
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444 Followers 385 Following
LIGO Magazine @LIGOMagazine
650 Followers 111 Following LIGO Magazine is published twice yearly by the LIGO Scientific Collaboration. Read free online for gravitational-wave news, stories behind the science and more!
Suzet McKinney @drsuzet
450 Followers 712 Following Principal & Director of #LifeSciences at @SterlingBay
Selma E. de Mink 🔆.. @astro_Selma
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Raul Jimenez 🇪🇺 @raul_jimenez67
451 Followers 185 Following (El Madrileño) Cosmologist; interested in (Bayesian) Statistics; Physics; Astronomy; Philosophy; AI and the Social Sciences
Jessica McKenzie @jessimckenzi
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Becca Willett @WillettBecca
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David C Kuhlman @davidckuhlman
62 Followers 116 Following Husband, father, MP at Axiom Consulting Partners and Vice Chair at The Bulletin of the Atomic Scientists (he/him)
Agnes Callard @AgnesCallard
38K Followers 235 Following Philosopher, UChicago Book https://t.co/htazfAfUS3 Column https://t.co/GGvu8fOYmw NYT https://t.co/Jj56TECRDd YT https://t.co/hPgf2tGJWT podcast https://t.co/lVDi53CGer
Willie Nelson @WillieNelson
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Shany Danieli @DanieliShany
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Enrico Ramirez-Ruiz @astroenrico
2K Followers 1K Following living in a plastic universe full of wondrous chance | astrophysicist | stellar mortician | equity and diversity advocate | ted | prof@ucsc | he/him |🇲🇽
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Edward Witten @witten271
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Dr. Brittany Kamai, P.. @cosmojellyfish
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Priyamvada Natarajan @SheerPriya
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William J. Perry @SecDef19
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Jerry Brown @JerryBrownGov
998K Followers 53 Following Governor of California, 1975-83 & 2011-19. Executive Chair @BulletinAtomic. Chair @CalChinaClimate. Member @NTI_WMD & @CouncilonCJ. Age quod agis.
Erin Amira Kara @ErinAstro
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Will M Farr @farrwill
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Descartes Labs @DescartesLabs
10K Followers 691 Following Enabling a better understanding of the physical world through the scalable analysis of geospatial data.
𝙺𝚒𝚖𝚋𝚊�.. @kimbal
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Elon Musk @elonmusk
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John Mecklin @meckdevil
2K Followers 2K Following Editor in Chief @BulletinAtomic. Ex-Miller-Mccune/PacifStandard, High Country News, Key West mag, SF Weekly. Email: [email protected]
LIGO Livingston @LIGOLA
5K Followers 31 Following Unofficial twitter of the LIGO Livingston Observatory
Risa Wechsler @RisaWechsler
11K Followers 2K Following astrophysicist. cosmologist. maker of universes, surveyer of the skies. professor of physics @stanford, director of @kipac1. talks: https://t.co/U5UGDDy7WL
Gravitational-Wave As.. @GWastrology
322 Followers 94 Following astrology with gravitational-wave events ⭐️💫✨ (like GW astronomy, but unscientific)Defended my Ph.D. yesterday (I am a Dr. now!)!!! 🎓👩🎓 Still cannot believe it, but thanks to everyone who has supported me throughout the years!!
@alexanderpji @UChicagoAstro Thanks, @alexanderpji @decohere and @UChicago astro for an awesome visit. Learned a lot and have some new ideas to think about. Omg so happy for in person visits again!! 😍
Achievement unlocked: Finding a typo in one of Bob Wald's equations
Wake up!
NOW - Doomsday Clock has been set to 90 seconds to midnight, the closest it has ever been to annihilation.
The #DoomsdayClock is now at #90SecondsToMidnight. Existential threats, like the possibility of nuclear war, put us all at risk. How do you want to see the world #TurnBackTheClock?
New paper with many of my gravitational wave favorite colleagues @SimoneMastrogi9 @RachelMaryGray @decohere @farrwill @jmezquiagabravo @mayaKfish @iggyquark The Hitchhiker’s guide to the galaxy catalog approach for dark siren cosmology arxiv.org/abs/2212.08694 why this title?🤷♀️🧵
ICYMI: @paulmrand and Prof. @decohere discussed the breakthrough discoveries featured in The Day Tomorrow Began with #ChicagoTonight's @BrandisFriedman. Watch the full @wttw interview here: ms.spr.ly/6010ePLAM
Last week @decohere and I had the pleasure to host this amazing group of people at KICP to discuss “the quest for precision gravitational wave cosmology” kicp-workshops.uchicago.edu/2022gw-cosmo/
Explore the history of #BlackHole research with cosmologist Daniel Holz (@decohere), @NobelPrize-winning scholar and @uchicagolab grad Andrea Ghez and renowned #UChicago theoretical physicist Robert Wald. Spotify: open.spotify.com/episode/2xq8Zt… Apple Podcasts: podcasts.apple.com/us/podcast/the…
New @BigBrainsUC podcast: The biggest moments in scientific history often happen in the unlikeliest of places. Learn about how UChicago scholar Subrahmanyan Chandrasekhar's pioneering research paved the way to the discovery of #BlackHoles. news.uchicago.edu/legendary-disc…
Amazing @BigBrainsUC episode featuring Daniel Holz (@decohere), Andre Ghez and Bob Wald about black holes ⚫️⚫️ podcasts.apple.com/us/podcast/big…
Looking forward to the volatile and rebellious teen years in GW cosmology!
@jmezquiagabravo Was so fun and interesting! Especially given that the field of gravitational-wave cosmology is only 5 years old; imagine what the teenage years will be like. Thank you everyone for coming!! @spacedontwait @sasomao @EllaPalmes @mayaKfish @farrwill @samueledyson
"For #nuclear, if someone just decides they’ve had enough, one person, one person decides, that's it. In 30 minutes, we're all done. What kind of civilization sets that up, so one person can wipe out everyone and take the entire planet down?" buff.ly/3D1IDcc @decohere
This was fun, thanks @jmezquiagabravo @decohere ! Some of my takeaways: 1) all standard siren methods are in some ways related to each other and exploring systematics for one method may be interesting for the other methods; 2) stochastic backgrounds are actually not boring :)
Last week @decohere and I had the pleasure to host this amazing group of people at KICP to discuss “the quest for precision gravitational wave cosmology” kicp-workshops.uchicago.edu/2022gw-cosmo/
Thanks @jmezquiagabravo and @decohere for the exciting gravitational wave cosmology workshop @UChicago last week! Standard sirens are the next best thing to ice cream (and come in just as many flavors, probably)
Made this omega scan for a talk at @UChicago (Great workshop organized by @decohere and @jmezquiagabravo). This is a neutron star black hole merger at 300Mpc as detected by @CosmicExpGW. Modulation in the power due to spin precession is clearly visible by eye 😎. The white 1/2
Very interesting discussions in Chicago last week!
Last week @decohere and I had the pleasure to host this amazing group of people at KICP to discuss “the quest for precision gravitational wave cosmology” kicp-workshops.uchicago.edu/2022gw-cosmo/
This week we celebrate 7 years since observing #GravitationalWaves from a merging black hole binary for the first time! #GW150914 #7YearsGW @LIGO @ego_virgo @KAGRA_PR Re-live some of the excitement and personal stories in our detection issue: ligo.org/magazine/LIGO-…
First things first - how did we know that #GW150914 was a binary black hole merger? It’s all about the shape of the #GravitationalWave. (p.6 @cplberry, @bffarr, @Gmv2_c4r)
Thanks so much @samayanissanke and everyone for your kind words of congratulations! Grateful for all these accolades - Am really excited to chair to one of the most vibrant Astronomy departments in the country @YaleAstronomy
Huge congratulations @SheerPriya on the appointment of the Joseph and Sophia Fruton Professor of Astronomy and Professor of Physics, and also becoming the chair of Yale astro! So well deserved & such inspiring news!@YaleAstronomy is v lucky news.yale.edu/2022/08/17/nat…
"We build these phenomenal instruments, these space telescopes, which peer back to the very beginning. It's incredible. And yet, we're on the verge of totally wrecking our only home.” — Bulletin Science & Security Board co-chair @decohere wired.com/story/humanity…
WIRED sat down with Daniel Holz to talk about cosmic versus earthly catastrophes, how to cope with doom, and why this is a uniquely perilous time in human history—but also why all is not lost. wired.trib.al/4AfAmjO
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