/u/xenneract's posts in /r/askscience

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After a couple months of the pandemic, can we know which epidemiological models have performed 'well'?

4248 upvotes

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In many models, dark matter WIMPs are their own anti-particles. How are they expected to generate photons on annihilation if they have no coupling to the EM field?

17 upvotes

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Are there any critical phenomena where the timescale and lengthscale diverge identically with temperature?

5 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
After a couple months of the pandemic, can we know which epidemiological models have performed 'well'?	4248
In many models, dark matter WIMPs are their own anti-particles. How are they expected to generate photons on annihilation if they have no coupling to the EM field?	17
Are there any critical phenomena where the timescale and lengthscale diverge identically with temperature?	5