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How and Why We Read: Crash Course English Literature #1 - YouTube一位丈夫放下雜志看看太太說:我剛曉得,南非的女人在每次的房事完畢之後都會給先生八塊錢。這麼好的機會我怎麼能錯過明天我就去南非。太太叫道:我也要去。先生:你去乾什麼。太太:我去看世界盃!!In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other people. Unlike a d...

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Why Tuesday? - Official Site年輕時,和女友交往才半年,就遇到春節。春節是團聚的日子,同時也是「非家人」分離的日子,小情侶們一年就這幾天不能在一起。於是我和她約好,大年初一早上,在一家旅館約會。「去哪?」父母問,「沒什麼,去廟裡祈福,我和關聖帝君約好了,這是唐代古禮,沒去請安的話,我怕會一整年走路跛腳。」我趕緊找藉口溜出去。初一The Why Tuesday? Blog RSS Amb. Young to Candidates: Speak Up June 13th, 2015 The following post by our co-founder Ambassador Andrew Young first appeared as a letter to the editor in the New York Times. In “Let the People Vote” (editorial, June 5), you are...

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Why Women Have Sex: Women Reveal the Truth About Their Sex Lives, from Adventure to Revenge (and Eve一個美國人,一個法國人還有一個中國人走在大沙漠中,走著走著看到一個瓶子,打開瓶塞後飄出來一個人來,那個人說:"我是神仙,我能滿足你們每個人三個願望!"美國人第一個搶著說:"我第一個願望是要很多的錢."神仙說:"這個簡單,滿足你!說說第二個願望吧."美國人說:我還要很多的錢!"神仙滿足他的願望後,美國Bringing together some of the interesting (and some not so interesting) research on women and sex, the author explain how Brown University researchers found that how someone smells is the single most important factor in a woman's choice of lover; Brazilia...

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The Willpower Instinct: How Self-Control Works, Why It Matters, and What You Can Do to Get More of I某天小陳上班時接到一通電話,只見小陳講沒兩句就匆匆忙忙的跑去向經理請假小陳對經理說:經理,我要請假,我老婆要生孩子經理:好的,你快去,這種事不要耽誤於是小陳二話不說,飛也似的就走了,二十分鐘後,小陳有點衣衫不整的回來了經理看到他就問:怎麼這麼快就回來了,生男的還是女的小陳:十個月後才知道一個穿緊身衣"What a liberating book! McGonigal explains the scientific reality of willpower, exploding the myths most of us believe. Stronger willpower—based on inspiring facts, not oppressive nonsense—is finally within everyone's reach." —Geoff Colvin, author of Tal...

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That's Why Carbon Is A Tramp: Crash Course Biology #1 - YouTube中年男子去拉皮,拉完之後他覺的很不錯,於是就很高興的走出整型醫院.在回家路上,他首先看到了一位小孩,他就問說"ㄟ!!小弟弟,你覺的我看幾來像幾歲??"小弟弟說"嗯!大概有三十吧!!" 那男子非常高興.後來他又走到了公車亭,看到了一位賣報紙的老頭..他說,"老先生",你覺的我看幾來像幾歲..??老先生And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It's all containe...

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FFT, IFFT, and why do we need FFTSHIFT and IFFTSHIFT? | To Imaging, and Beyond!有一對男女正在吃晚餐…那個女生一直問那個男生:你愛不愛我?男生看了女生一眼又繼續吃晚餐女生很生氣又再問了一次:你愛不愛我?男生終於說:愛女生又問:那你要怎麼證明?忽然男生從口袋裡拿了三十元出來,且問女生:你有沒有十元?女生拿了十元給了男生…男生就把四十元放在桌上過了一會兒The same story is for the Inverse Fourier Transform (ifft2). When the grid with a fixed sampling interval $\delta_f = \frac{1}{N\delta}$ with $N$ samples in the frequency domain, the sum becomes: $ f(\bar{n}) = \delta_f \sum\li...

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