Ciaran O'Hare
@cajohare.bsky.social
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📥 243
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senior lecturer in astroparticle physics at sydney uni.
https://cajohare.com/
The break down of a recent Australian Research Council grant scheme by field of research. How kind of them to allow a few non-engineering grants this year... And by the way: the ARC's Discovery program of grants is, according to them, intended to "fund fundamental, ‘blue sky’ research".
add a skeleton here at some point
about 1 month ago
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Really enjoyed this talk by Raphael Buosso on the cosmological constant and why "dynamical dark energy" is very unlikely
youtu.be/FvRcycZAPG8?...
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Raphael Bousso: "Why it’s a cosmological constant?"
YouTube video by Galileo Galilei Institute (GGI)
https://youtu.be/FvRcycZAPG8?si=Q7yYI2K3TGVRpFj6
3 months ago
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Are stellar-mass primordial black holes ruled out as dark matter? Hawkins and Garcia-Bellido launch a barrage of criticisms at the OGLE microlensing survey analysis. Some of the language used in this paper makes me wince...
arxiv.org/abs/2509.05400
4 months ago
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For those in Sydney on Saturday afternoon, I will be speaking all about cosmology and the Big Bang at this event at the very nice Chau Chak Wing Museum
add a skeleton here at some point
5 months ago
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2024 was yet another exhausting year keeping track of updates on our quest to find the axions. I have been trying my best to collect the exponentially growing literature on my GitHub AxionLimits:
github.com/cajohare/Axi...
11 months ago
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reposted by
Ciaran O'Hare
Fun Fact Science with Kovi
about 1 year ago
In our latest episode we chat with Ciaran O'Hare (University of Sydney) about
#darkmatter
, quarks, and the Venn diagram of
#astronomy
and particle
#physics
. If you watch closely you can see the exact moment
@scienceactually.bsky.social
mind gets blow
open.spotify.com/episode/7dDO...
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Bah Bah Black Hole Have You Any Mass : Guest : Ciaran O'Hare
Science, Actually Presents : The Nerd and the Scientist · Episode
https://open.spotify.com/episode/7dDOGDhsghgW3fW4dSNljj?si=2b67fbd464154819
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I feel like I need to break the ice here somehow... I suppose I will just announce that I will be posting my annual AxionLimits yearly round-up on this account soon, so stay tuned i guess
about 1 year ago
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