Author & Founder of Summit Math | https://xitter.cf/t.co/l7L911D98B | "Learn at your own pace." | Knowles Senior Fellow.
Joined October 2017
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Alex Joujan retweeted
in a perfectly rectangular pool table, balls bounce in an orderly pattern. But even a slight curve in the walls will make it chaotic, so that after a few bounces the balls totally lose their formation
Alex Joujan retweeted
Claim: 10+10 = 11+11
Proof:
10+10 = twenty
11+11 = twenty too
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Sorry. Dad joke.
Alex Joujan retweeted
Educators if you think about it, we just made it through the craziest most unforgiving year in the history of education!
I mean what teachers just went through will be talked about in edu books and college courses for the rest of time.
Powerful
Alex Joujan retweeted
(1/5) There are hundreds of proofs of the Pythagorean theorem, some remarkably simple. Here’s on I just typed up.
Start with any right triangle:
Alex Joujan retweeted
17 marbles in two cups. No matter how distributed, precisely one cup has an even count of marbles. Transfer half the marbles from even-count cup to odd cup. Repeat indefinitely. Is there a starting distribution for which every possible count of marbles 1,...,16 appears in a cup?
Alex Joujan retweeted
a parabola is formed when circles radiating from a point meet lines moving at the same speed. this is equivalent to slicing a cone parallel to its slope
Alex Joujan retweeted
Sphere passes through Flatland.
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Alex Joujan retweeted
Each dot moves around a little square. tinyurl.com/y38zp5aw
Alex Joujan retweeted
Join American artist & @Stanford art lecturer John Edmark at #MoMath on 10/13 at 7pm to explore how 10 years of mathematical experimentation led to surprising discoveries & magical artworks. John will unveil 2 more amazing strobe-animated Bloom sculptures! synchronizedspin.momath.org
Alex Joujan retweeted
. @beesandbombs style
high quality : ello.co/necessary-disorder/p…
Alex Joujan retweeted
Take the average of the two regular polygons' perimeters, and you get an approximation of the circumference of the circle. As you increase the number of sides in the polygons, this approximation gets more and more accurate.
