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Viktor Blåsjö proslijedio/la je Tweet
I listened to the first couple of episodes of
@viktorblasjo podcast today, and two things that I value occured: (1) doubt in my prior knowledge, and (2) laughter. Excellent combo.http://intellectualmathematics.com/opinionated-history-of-mathematics/ …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Viktor Blåsjö proslijedio/la je Tweet
Very convincing arguments here (I think) about Galileo's incompetence in mathematics (and the scientific method he is purported to have founded). The "Tracks of Galileo" exhibit
@MoMath1 is about the Brachistochrone Problem, the solution to which he famously blundered... https://twitter.com/viktorblasjo/status/1214611984597078016 …pic.twitter.com/DSUyF3fz2V
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Viktor Blåsjö proslijedio/la je Tweet
I've been listening to a fascinating and brutal take-down of Galileo as "father of modern science" on
@viktorblasjo's podcast http://intellectualmathematics.com/opinionated-history-of-mathematics/ … Turned a lot of what I thought I knew about Galileo (based on what's written about him just about everywhere) upside down...https://twitter.com/royalsociety/status/1214455885201903618 …
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"Eratosthenes was a Platonist" is trending (https://twitter.com/SimonSimplicio/status/1206755350054989825 … https://twitter.com/flauritzen/status/1206879060548374528 … https://twitter.com/suzania/status/1206779831867850752 … https://twitter.com/johngbrungardt/status/1206719788577374211 … https://twitter.com/Hoodlum_N/status/1206708058392420354 … https://twitter.com/altphi/status/1206764265065058305 … https://twitter.com/Brotinus/status/1206792055973974018 …) but I say:
https://twitter.com/viktorblasjo/status/1206699176228261893 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
The history of F=ma is weird. Euler considered it a new (!) law that he was the first to discover (https://www.amazon.com/review/R2TEATT31TZ4VK …). This brand new paper explains very clearly what Newton meant by his second law (spoiler: underwhelming compared to F=ma):https://link.springer.com/article/10.1007/s00407-019-00242-y …
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Viktor Blåsjö proslijedio/la je Tweet
The Archimedes palimpsest. It wasn't discovered in 1998, and its story isn't one of science vs. religion. It's a story of stolen antiquities.https://kiwihellenist.blogspot.com/2019/11/archimedes-palimpsest.html …
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Why is F=ma? Leads to the two equivalencies shown. The 1st must be true if joining the blocks shouldn't make a difference. Not sure about best way to argue the 2nd; maybe that, if false, the difference could be used to make a perpetual motion machine. Cf. https://twitter.com/michael_nielsen/status/1198406575586627584 …pic.twitter.com/GFhQ3RPQ8k
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My review of
@stevenstrogatz's Infinite Powers: https://www.amazon.com/review/R4Q5UP9LDVJQ7 … A very nice book indeed, although I stay on brand with some esoteric critique as well.Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Ancient Egyptians multiplied via repeated doubling (e.g. https://twitter.com/LongFormMath/status/1171940485889282048 …). Why? Why would they rather do ×2 than ×10, even though their number system was base 10? I can't find any scholarship on this. Thread with my speculative answer:https://twitter.com/viktorblasjo/status/1172413353165090817 …
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I translated this book about geometrical manipulations of perspective in the art and architecture of Rome. Can be used as a field guide for a study trip, a coffee table book, or for teaching applied projective geometry through historical examples. https://bookstore.ams.org/spec-99/ pic.twitter.com/txXTO0PP6c
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If this isn't science I don't know what is. https://www.math.nyu.edu/~crorres/Archimedes/Crown/CrownIntro.html …pic.twitter.com/bLUsFB9BOp
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Some historians think the scientific method never occurred to the Greeks. Even running naked down the street screaming how much you love science is evidently not enough to get these people to open their eyes. http://intellectualmathematics.com/blog/galileo-was-the-first-to-what-exactly/ …pic.twitter.com/KBslA9BaOJ
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Viktor Blåsjö proslijedio/la je Tweet
#MTBoS Wondering how to motivate work being jointly proportional to force and distance? Check out@viktorblasjo's article: http://intellectualmathematics.com/blog/why-work/ Spoiler: think water wheels! See the attached image - artwork my own!pic.twitter.com/pqsBEK4i1y
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This thread on the history of logarithms has all the major food groups I look for in Twitter content: higher-order nerd jokes, genuinely interesting scholarship I didn't know, and stuff about me.https://twitter.com/MathHistFacts/status/1163603261821259779 …
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Viktor Blåsjö proslijedio/la je Tweet
New fav thing (from https://arxiv.org/abs/0712.1320 ) "All mathematicians are familiar with the concept of an open research problem. I propose the less familiar concept of an open exposition problem.
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Galileo

was not about science 

. Galileo was baited
into trying to explain the Bible 
: a no-no
at the heart of a Catholic-Protestant war 



. Galileo's "scientific" account of the Biblical 
is furthermore self-contradictory.http://intellectualmathematics.com/blog/galileo-and-the-church/ …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Historical mathematical locations on this map: Castle where Descartes lived for several years: https://parallel.co.uk/netherlands/#19/52.1725636/4.4631032/0/40 … (very close to present-day Leiden math department: the 1969 q-shaped building to the SW). Huygens family mansion: https://parallel.co.uk/netherlands/#19/52.0648889/4.3626325/0/40 …https://twitter.com/parallelmaps/status/1162291333299675136 …
0:17Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Viktor Blåsjö proslijedio/la je Tweet
“Calculus students in par- ticular are nowadays inculcated with a narrative that paints intuition as a corrupting temptation that must be resisted.” Brilliant article. Carefully researched, and sparkling with wit and appropriate ire.https://twitter.com/viktorblasjo/status/1160921695475122182 …
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My brief history of intuition in calculus: http://intellectualmathematics.com/dl/intuitionincalculustextbooks.pdf … Is intuition the opposite of rigor? Did intuition "fail" in the 19th century? No!pic.twitter.com/u5Ce4o5ezT
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