daniel holz
@decohereBlack holes, gravitational waves, astrophysics, and cosmology. Doomsday Clock. Existential risk.
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Featured article out today in the New Yorker about a class on existential risks taught at UChicago by the inimitable Daniel Holz (@decohere) and myself this spring: newyorker.com
The @BulletinAtomic Doomsday Clock is at 90 seconds to midnight. In this podcast we discuss why.
The Doomsday Clock remains at 90 seconds to midnight. @decohere and former executive director Kennette Benedict join @JBWolfsthal and @heatherwilly to share what actually goes into the decision to set the time, and how panicked should we really be. ow.ly/ih8q50QuZYn
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…
Did physicists worry there was even a tiny possibility that detonating the first atomic bomb at the Trinity test site in New Mexico might destroy Earth? This comes up in the movie "Oppenheimer." I have a story on the actual history in today's Post. 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
Welcome to the fourth observing run! #O4IsHere O4 will last 20 months, with @ego_virgo and @KAGRA_PR joining us in the run. We expect the detection rate will be roughly twice in our past observing run More news linked from ligo.org/news.php #ObservingRun4
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.
How #biorisks are moving the Doomsday Clock — the video that opened our #PathogensProject conference today! youtu.be/MwXVEUzKF1g
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.
Issue 22 of the #LIGOMagazine is now live! In this issue we hear about the preparations & hopes of our analysis & commissioning teams as we look forward to Observing Run 4 & consider our role in global climate change. @LIGO @ego_virgo @KAGRA_PR Read free ligo.org/magazine/LIGO-…
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.
The Doomsday Clock has been a powerful symbol for communicating existential threats for over 75 years. Tune in January 24 at 10:00AM EST to hear what leading scientists have set the Doomsday Clock to for 2023. Learn more: bit.ly/3vLCAUu
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