Saturday, January 5, 2019

Picture of the day for January 5, 2019



Circular paraboloid generated by z = − a ( x 2 + y 2 ) , a > 0 {\displaystyle z=-a(x^{2}+y^{2}),a>0} .. Learn more.

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Why You Should Embrace Rejection

Article URL: https://www.theguardian.com/books/2026/feb/01/why-you-should-embrace-rejection Comments URL: https://news.ycombinator.com/item...