Tweet de Cliff Pickover (@pickover)

Cliff Pickover (@pickover) twitteó a las 11:06 a. m. on dom, may. 28, 2023:
Mathematics.

If we roll a circle inside another circle of 4 times the radius, we obtain an "Astroid."   It has four cusps.

"Astroid" comes from the Greek word for "star." https://t.co/HoRgd4DsYJ https://t.co/y1tecvfDUK
(https://twitter.com/pickover/status/1662837718567591936?t=SnqYAwN_JG0dRHwZ2UP_lg&s=03)