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https://twitter.com/sq1learning/status/1034498966455508992Over and over I see statements from esteemed colleagues - genuinely brilliant people - that are simply incorrect, for simple lack of fact checking. Like “using only two out of 10 pieces” of evidence. How does one count? Or “MOND doesn’t and dark matter does.” Does what, exactly?
https://twitter.com/StartsWithABang/status/1022482229895737345Ethan Siegel has made it clear that he hated MOND. Over the years he has made it a personal crusade to persecute the heretics who dare speak of such things. Because nothing says scientific rationality like as hominem attacks.
https://twitter.com/BenneHolwerda/status/1021366423300583426The “+” makes it. Collapse could happen any time. Redshift less than 10. Or redshift greater than 10. Whenever.
This does not surprise me. It is exactly the kind of test I proposed 20 years ago based on the cosmic baryon fraction. If LCDM is correct, fb=0.16. If dark matter is a chimera indicative of some modified gravity, then really fb=1. xxx.lanl.gov/abs/astro-ph/9…
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https://twitter.com/jimalkhalili/status/962376458940440583It did perhaps contribute in a tiny way to making the world a better place as an incremental part of a larger project that ultimately led to useful medical imaging technology. Not that I appreciated that potential at the time; we were just trying to figure out how things worked.