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Carl Haster

@haster.bsky.social
649 followers 135 following 212 posts

Assistant Professor at UNLV+NevadaCfA looking for gravitational waves and the best music. Previously at LIGO, MITKavli, CITA_ICAT and UoBIGWaves.

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Reposted by Carl Haster
PHD Comics @phdcomics.com · 13/10/2026
How professors spend their time
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Carl Haster @haster.bsky.social · 07/10/2026
Diagram courtesy of NIST. But I agree completely
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ncfa.bsky.social @ncfa.bsky.social · 06/10/2026
Very exciting news! Big congratulations to Francis for a well-deserved recognition! And big congratulations to all our friends in @icecubeneutrino.bsky.social!
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Josephine Riesman @josie.zone · 02/10/2026
Still the absolute funniest "trailer remix" ever made -- as well as one of the very first of its kind, debuting in 2005 Every shot is perfectly chosen God I could watch this all day
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kjcon.bsky.social @kjcon.bsky.social · 01/10/2026
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Wyatt Walls @wwalls.bsky.social · 29/09/2026
Why don't you trust me?
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Nathan 🎃 @never-say-die.bsky.social · 29/09/2026
Bro, the Pope sent the White Sox letter, they’re going to the World Series.
Letter: 

To Jerry Reinsdorf
Chairman of the Chicago White Sox
was pleased to receive the kind letter that you sent following the game that took place at Rate Field on August 11, 2026. I am most grateful for this thoughtful gesture.
As I have noted,
"sport can truly become a school of life,
where all can learn that abundance does not come from victory at any cost, but from sharing, from respecting others and from the joy of walking together" (Letter Life in Abundance, 6 February
2026).
In this spirit, it is my hope that the White Sox will
continue to foster
bonds of friendship
and solidarity among
people, and thus bear hopeful witness to the possibility of living and working together in peace.
With
these sentiments, I willingly invoke the Almighty's
abundant blessings upon you and your loved ones.
From the Vatican, 9 September 2026
Pope Leo XIV
The Pope wearing a Chicago White Sox hat
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Carl Haster @haster.bsky.social · 30/09/2026
So you're sure this time? 😜
static.klipy.com
Aliens Not Aliens
ALT: Aliens Not Aliens
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Gene J. Mikulka @genejm1017.bsky.social · 29/09/2026
Just a reminder...
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Jonathan O'Callaghan @astrojonny.bsky.social · 25/09/2026
Pretty wild graph from ESA's latest space environment report, out this month. It anticipates hundreds of collisions in orbit in the coming decades. The report also says that three satellites/rocket bodies enter Earth's atmosphere every day on average at the moment 😶
Graph of cumulative space collisions from ESA environmental report
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Mike Boylan-Kolchin @mbkplus.bsky.social · 24/09/2026
Girl dinner
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Chris Lintott @chrislintott.bsky.social · 24/09/2026
Oh for goodness sake. What are we doing?
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Carl Haster @haster.bsky.social · 21/09/2026
Roligare att föreställa sig *bara* ren potatis, så i mitt huvud kommer historien bete sig så 🙂
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Johan Jönsson @johanj.bsky.social · 21/09/2026
Min absoluta favorit bland forskningsprojekt under en tid när etikprövning såg lite annorlunda ut var när den danske näringsforskaren Mikkel Hindhede 1911 bestämde sig för att potatis nog var allt man behövde äta. Så han satte sin assistent på att bara äta potatis i ett år.
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Carl Haster @haster.bsky.social · 21/09/2026
Vet du om han fick salta potatisen? Alternativt tillsätta något extra till moset? Eller var "lite margarin, om du steker" den enda icke-potatis saken han fick? "Intressant" experiment oavsett 😉
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Carl Haster @haster.bsky.social · 20/09/2026
Quartz, a genuine classic! Easy choice 🙂
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Jonathan O'Callaghan @astrojonny.bsky.social · 15/09/2026
22 years. I'll be 60 when this stops working. Incredible.
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Carl Haster @haster.bsky.social · 15/09/2026
Having been a member of LIGO for the past 14 years (including all the first detections) really helps to bump ones h-index 😐
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Paul Byrne @theplanetaryguy.com · 09/09/2026
Astrophotographer Adam (AJ) Smadi caught this image a few hours ago from Washington state. A thin crescent Moon, sunlight illuminating the rugged lunar surface. And 2,400 times farther away—and on the other side of the Sun—mighty Jupiter, and its moons Io (left) and Ganymede (right).
A crescent Moon seen during the day, arcing from upper left to lower right of the frame. At lower centre is the full disk of Jupiter; the small dots to its upper left and lower right and Io and Ganymede, respectively.
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Pavel @spavel.bsky.social · 09/09/2026
Imagine if you just gave mathematicians 22 million dollars
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Jake Grumbach @jakemgrumbach.bsky.social · 09/09/2026
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Kerry Reid (she/her) @kerryreid.bsky.social · 08/09/2026
Almost let the day pass without posting this one!
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Bruksdöd @bruksdod.bsky.social · 08/09/2026
Jag är så gubbig att jag brukar dra detta exempel: Jag började undervisa 2013. Då kunde jag utan problem slänga ut källtexter från Adam Smith, Karl Marx, John Stuart Mill, Sokrates etc och ställa frågor som eleverna kunde svara på. De läste ca 5 sidor från varje och svarade sedan på frågorna.
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Katie Mack @astrokatie.com · 05/09/2026
At the Antimatter Factory at CERN there are vacuum cleaners in cages. Those cages are there because when you vacuum the experiment hall, you might pick up some radioactive material, and so the vacuum has to be in a time out until enough half-lives of the contaminant have elapsed.
A bright yellow cage marked RADIATION with vacuum cleaners inside it
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Carl Haster @haster.bsky.social · 01/09/2026
This is not a pipe
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David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 27/08/2026
I’ve again been asked “why do sharks stick their dorsal fins out of the water?” This happens because shark’s dorsal fins are on top of, and therefore higher than, the rest of the shark. And sometimes the shark is in shallow water or near the surface. Hope this helps! 📷: a scene from Jaws
Scene from Jaws showing the shark’s dorsal fin sticking out of the water.
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Carl Haster @haster.bsky.social · 21/08/2026
static.klipy.com
Thomas Dolby Exclaims 'SCIENCE!'
ALT: Thomas Dolby Exclaims 'SCIENCE!'
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Sofia Zettermark @zettermark.bsky.social · 09/08/2026
Jag: visst begås fler litterära mord än verkliga i Sverige? Middagssällskap: Neeeej tänk på alla gängkriminalitet Det sker ca 100 mord/år i landet. Man får anta att alla deckare innehåller minst ett mord va?
Deckarutgiving i Sverige, 500 böcker per år
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ceej @ceej.online · 04/08/2026
I’m sick of Artificial Intelligence. Why not Artificial Wisdom? Artificial Charisma? you get it
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Carl T. Bergstrom @carlbergstrom.com · 21/07/2026
1. We—@eduede.bsky.social, @mjcrockett.bsky.social, Kevin Gross, and I—have a new preprint on the arXiv today, based on ideas that emerged during an @sfiscience.bsky.social workshop in November 2024: The unintended consequences of large language models as a labor-augmenting technology in science.
arxiv.org
The unintended consequences of large language models as a labor-augmenting technology in science
As a labor-augmenting technology, large language models (LLMs) have the potential to accelerate scientific activity across the research pipeline. But even if LLMs perform on par with human experts at ...
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Carl Haster @haster.bsky.social · 30/07/2026
Men man säger definitivt ap-helion här i USA (åtminstone gör jag det när jag undervisar grundkurs i astronomi). Dock är, om man inte vet etymologin, det ganska logiskt att köra f-ljud konsekvent när man ser ett 'ph'
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Carl Haster @haster.bsky.social · 30/07/2026
Aφέλιον Graeca sunt, non leguntur 🤪
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Robin Bisson @robinbisson.bsky.social · 27/07/2026
Confirmation that Jodrell Bank Observatory has lost funding (via the e-Merlin project) under STFC cuts, as first reported by RPN in early July www.bbc.co.uk/news/article...
bbc.co.uk
Jodrell Bank's Lovell telescope faces axe in science cuts, BBC understands
Astronomers warn it would tear the heart out of UK science, and leave a generation untrained.
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Marco Chitti @chittimarco.bsky.social · 22/07/2026
Polanyi calls knowledge that isn't written down in texts or drawings but that exist within people and groups of people as "implicit/tacit knowledge". The loss of this unwritten, often unspoken, knowledge is often considered to be one of the reasons why institutions lose the capacity of doing stuff.
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Kelsey Johnson @profkelsey.bsky.social · 05/07/2026
I'm consumed be "externalities" that private companies quietly distribute across humanity for profit while preaching narratives about "progress". Add in "Shifting Baseline Syndrome" and most people don't notice what's happening until it is too late. Some underlying verifiable facts 👇 ✨🔭🧪
Cartoon illustrating satellites crossing the night sky circa 2030, seen from a wilderness area. A child asks, "What is that point of light that doesn't move?"
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Shiv Ramdas Mens Rice Activist @nameshiv.bsky.social · 09/07/2026
stunning Paris was how this whole mess got started
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Jonathan Pritchard @pritchardjr.bsky.social · 24/06/2026
Horrified to learn that the Particle Physics and Astronomy groups at Sussex University are facing a proposed 35% cut in staff numbers! That would be devastating to a high quality department.
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Seven Machina Rasmussen @toomanyspectra.bsky.social · 22/06/2026
oh!
NSF will fund the X-Labs through a rarely used mechanism, called Other Transaction Authority, that gives it much greater leeway than usual to choose winners and set funding and goals. For example, it allows NSF to make awards to nontraditional recipients such as a limited partnership or a venture capital firm, some of which might have been created solely for the purpose of receiving the NSF award. It also allows NSF to make additional awards without the need to review a new application.
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Neil Lewis, Jr. @neillewisjr.bsky.social · 22/06/2026
"Program managers would normally rush to inform potential and current grantees about such dramatic changes. But the memo tells program managers to keep their mouths shut. 'This information is highly confidential...Please do not communicate anything to PIs.'” www.science.org/content/arti...
science.org
Exclusive: NSF slashes research programs to support new tech initiative, insiders say
Unexpected shift in funds has meant sharp drop in grants this fiscal year
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Carl Haster @haster.bsky.social · 22/06/2026
static.klipy.com
Pacha Perfection Meme
ALT: Pacha Perfection Meme
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Carl Haster @haster.bsky.social · 16/06/2026
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Carl Haster @haster.bsky.social · 14/06/2026
Hrvatska! 🇭🇷
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Carl Haster @haster.bsky.social · 08/06/2026
Från för några veckor sedan, men ändå 🙂 www.unlv.edu/news/release...
unlv.edu
International Network of Observatories Highlights New Level of Precision Gravitational Wave Astronomy
Updated LIGO–Virgo–KAGRA catalog features 161 gravitational wave events between April 2024 and January 2025, including evidence of second-generation black holes and the clearest-ever gravitational wav...
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Max Kennerly @maxkennerly.bsky.social · 07/06/2026
We need more rich people with normal interests like "your movie sounds neat" instead of, like, white fertility rates.
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Carl Haster @haster.bsky.social · 01/06/2026
The scientific method in action
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Carl Haster @haster.bsky.social · 01/06/2026
You should always try to help your friend!
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Jake Wright @bcnjake.bsky.social · 29/05/2026
Once again: German universities were the envy of the world before the Nazis rose to power and took an ideological wrecking ball to the entire enterprise. If you want to know how long it took for German universities to recover… they haven’t.
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elizabethginexi.bsky.social @elizabethginexi.bsky.social · 29/05/2026
Summary of Key Changes in OMB’s Proposed Federal Financial Assistance Rule. Russell Vought is going destroy American Science. elizabethginexi.substack.com/p/summary-of...
elizabethginexi.substack.com
Summary of Key Changes in OMB’s Proposed Federal Financial Assistance Rule
Russell Vought is going destroy American Science
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keefemitman.bsky.social @keefemitman.bsky.social · 28/05/2026
When you look up at the night sky, you're looking out on a vast universe that is constantly in motion and ever evolving: planets orbit, stars twinkle, and black holes collide. Moreover, thanks to @ligo.org, we know that the "spacetime fabric" also evolves as gravitational waves ripple through it!
youtube.com
What the first LIGO detection would look like up close
YouTube video by SXS Collaboration
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