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Mark Moon
@
eka_mark_moon
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What can I help you learn? Currently teaching linear algebra, differential geometry, special relativity, category theory, and quantum mechanics.
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529
Tweetovi
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224
Pratim
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125
Osobe koje vas prate
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QC
@QiaochuYuan
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15. pro |
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lots more to say, i won't be able to do justice to this question in a few tweets but i'll close with these screenshots from the coherence therapy manual about different kinds of purposes for maintaining low self-worth pic.twitter.com/u3H2zeKLgq
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Urs Schreiber
@SchreiberUrs
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4. velj |
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Upcoming Oxford University Press book
global.oup.com/academic/produ…
by @DavidCorfield8
on
modal ncatlab.org/nlab/show/moda…
homotopy ncatlab.org/nlab/show/homo…
type theory ncatlab.org/nlab/show/type… pic.twitter.com/4S2XnYDyHj
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Linda Holmes
@lindaholmes
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31. sij |
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Just a non-spoiler note about The Good Place: Schur has explained that he basically got told after Parks & Rec that NBC would do whatever he wanted, and he used it to make a weird, nutty show about moral philosophy. If you ever get a free fat pitch over the plate, swing hard.
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Mark Moon
@eka_mark_moon
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3. velj |
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That these are different functions is particularly apparent to folks who are used to sometimes thinking of functions as bundles. Adding or removing some empty fibers is not trivial!
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Mark Moon
@eka_mark_moon
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3. velj |
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the alt text is missing an "l"
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Mark Moon
@eka_mark_moon
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2. velj |
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Folks who study Big History know this, because Eric Chaisson makes a big deal about energy rate density.
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Megan Amram
@meganamram
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28. ruj 2017. |
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here's an abridged version of the full list of food puns i turned in with my first draft of tonight's #TheGoodPlace episode pic.twitter.com/x335NYNN09
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Mark Moon
@eka_mark_moon
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30. sij |
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Yes, this is a subject of active research. Further reading:
royalsocietypublishing.org/doi/full/10.10…
sciencedirect.com/science/articl…
science.sciencemag.org/content/362/64…
sciencedirect.com/science/articl…
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Mark Moon
@eka_mark_moon
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30. sij |
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Oh, and this expands on that first PNAS article I linked to, about the canonical cortical microcircuit in birds: pnas.org/content/112/11…
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Mark Moon
@eka_mark_moon
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30. sij |
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Even some neural transcriptional specializations for cognitive tasks are homologous between birds and mammals, as in this example of specialized gene expression for vocal learning: science.sciencemag.org/content/346/62…
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Mark Moon
@eka_mark_moon
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30. sij |
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Another nice example of homology: sciencedirect.com/science/articl…
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Mark Moon
@eka_mark_moon
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30. sij |
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Does this help? pnas.org/content/112/11…
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Mark Moon
@eka_mark_moon
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29. sij |
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Q: Why are θs afraid of ζ?
A: Because ζ η θ.
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Mark Moon
@eka_mark_moon
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28. sij |
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These wasps are giving us our first look at what it's like for a life-form to be actively and currently evolving to be more intelligent: pnas.org/content/early/…
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Mark Moon
@eka_mark_moon
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25. sij |
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h/t @moreisdifferent
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Mark Moon
@eka_mark_moon
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25. sij |
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First evidence that some individual neurons are capable of classifying linearly nonseparable inputs: science.sciencemag.org/content/367/64…
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Mark Moon
@eka_mark_moon
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18. sij |
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No, the planetary orbits around the Sun make roughly a 60 degree angle with the galactic plane.
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Mark Moon
@eka_mark_moon
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18. sij |
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I guess the "similar fact" here is that the Solar system formed from a single spinning cloud of dust (with angular momentum in some direction), so to a first approximation we should expect the angular momentum of each body & each orbit to point in that same direction.
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Mark Moon
@eka_mark_moon
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18. sij |
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The orbital angular momentum of every planet (and the internal angular momentum of the Sun) points north-ish (roughly in the direction from the Earth's south pole to its north pole), not south-ish. (Same for the internal angular momentum of each planet except for Venus & Uranus.)
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Laurel Coons 🧬🧬🧬
@LaurelCoons
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17. sij |
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Cell #Cytoskeleton:
🧫A structural scaffold giving the cell shape
🧫An intracellular transport system
🧫A driver of cell motility
🧫A mediator of cell division
🧫#Microfilaments made of #actin monomers (purple)
🧫#Microtubules made of #tubulin dimers (orange)
@JeffreyHaren pic.twitter.com/prIblaRr7Q
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