The Golden Ratio (why it is so irrational) - Numberphile
by Super User, 2 weeks ago.
Featuring Ben Sparks --- More links & stuff in full description below ↓↓↓
Golden seeds limited edition T-Shirt: https://teespring.com/NP-Seeds
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Geogebra file Ben used: https://www.geogebra.org/m/YThycjQK#material/T8eKzDu5
Note on this video: Ben uses "one over a number" quite often during the video to make a fraction of a turn between 0 and 1, but the same effects apply if you turn more than a complete turn (e.g. sqrt(2) = approximately 1.414... of a turn, i.e. 1 whole turn and 0.414... of a further turn).
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Super User uploaded a new media, The Golden Ratio (why it is so irrational) - Numberphile
2 weeks ago.