The mathematics of love 愛的數(shù)學(xué) by Hannah Fry Today I want to talk to you about the mathem...
The unheard story of David and Goliath 大衛(wèi)和歌利亞的故事 by Malcolm Gladwell So I wanted to tel...
Today I'm going to talk to you about the problem of other minds.And the problem I'm goi...
Machine intelligence makes human morals more important 機(jī)器智能使人類道德更重要 by Zeynep Tufekci S...
The boiling river of the Amazon 亞馬遜河的沸騰河流 by Andrés Ruzo As a boy in Lima, my grandfath...
It's the fifth time I stand on this shore,the Cuban shore, looking out at that distant ...
As a magician, I try to create images thatmake people stop and think. I also try to cha...
最近有一個(gè)詞語特別火:隱形貧困人口。 很多人都覺得,天啊,這說的就是我。 這種現(xiàn)象為什么會(huì)發(fā)生?并不是因?yàn)檫@些人工作不夠勤勞,所以他們窮。 相反這些隱形貧困人口,往往在現(xiàn)實(shí)中...
一 . 畫圓并在圓上標(biāo)出八等分點(diǎn),用曲線連接圓心和等分點(diǎn)。 二 . 用曲線連接等分點(diǎn)和上一條曲線,注意每個(gè)連接的位置相同。 三 . 連接等分點(diǎn)和第二條曲線,然后涂黑。 四 ....