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Tom Hales is the probably the nicest person I’ve met at Pitt, but look at him being all sassy:

"This technology cuts the mathematical referees out of the verification process," says Hales. "Their opinion about the correctness of the proof no longer matters."

"Chromatonics (1)" - Original Psychedelia

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Chroma studies (diptych)
Digital drawing
2014
Laura Grace Marchi

Clear base and line play❤️ #nailsbymei #handpainted for @mabicus ❤️photo by @tommedvedich #meisfavorite #geometry

225 -dune-
#md_365 #unionapp #mexturesapp #collagecollective #vscocam #iphoneonly #vscocam #geometry #abstract #igers #designlife #design #instagood #iphoneonly #jj #art #instacollective #design #newyork #nyc

#architecture #building #TagsForLikes #architexture #city #buildings #design #building #urban #minimal #art #abstract #lines #circles #instagood #vsco #vscopic #vscocam #vscogram #beautiful #architecturelovers #lookingup #composition #geometry #perspetive #geometric #pattern

An Isochrone curve is the curve for which the time taken by an object sliding without friction in uniform gravity to its lowest point is independent of its starting point. The curve is a cycloid, and the time is equal to π times the square root of the radius over the acceleration of gravity.

- A ball set on an Isocrone (or Tautochrone) curve will reach the bottom at the same length of time no matter where you place the ball, so long as there is no impeding friction.

[Gif] - Four balls slide down a cycloid curve from different positions, but they arrive at the bottom at the same time. The blue arrows show the points’ acceleration along the curve. On the top is the time-position diagram.

[source]