知識社|科技篇 04|IMAX電影同普通電影有什麼不同? IMAX vs Standard Cinema: What’s the Difference?
不少人買電影票時,都會看到 IMAX 場次票價較高,但到底值不值得?IMAX 與普通戲院到底有什麼分別?原來,兩者不只是螢幕大小不同,而是從拍攝、放映到音響,都有明顯差異。 Many moviegoers notice that IMAX tickets usually cost more than standard cinema tickets. But what…
Read More知識社|科技篇 03|點解用電腦 USB 頭充電好慢? Why Is Charging Through a Computer’s USB Port So Slow?
不少人都試過,把手機接到電腦 USB 插口充電,卻發現充電速度比充電器慢得多。有時充了一小時,電量只增加十多個百分比。到底是 USB 壞了,還是電腦故意限制充電速度? Many people notice that charging a phone through a computer’s USB port is much slower than using…
Read More知識社|科技篇 02|點解手機電池充到 80% 最好? Why Is Charging Your Phone to 80% Better for the Battery?
近年不少手機都加入「80% 充電限制」功能,不少人都聽過「充到 80% 對電池最好」,但為什麼不是充到 100%?難道手機廠商不希望我們用盡電池容量嗎?答案其實與鋰電池的壽命有關。 Many modern smartphones now include an option to stop charging at 80%. While this may seem…
Read More知識社|科技篇 01|點解 1+1=2? Why Does 1 + 1 = 2?
我們從小就知道 1+1=2,但有沒有想過,為什麼一定等於 2?這看似最簡單的數學問題,其實曾經令數學家花了數百頁文字來證明,也是現代科技與電腦世界最重要的基礎之一。 Everyone learns that 1 + 1 = 2 in childhood, yet few ask why it must be true. Although it appears…
Read More知識社|冷知識 06|為什麼 QR Code 一定有三個大方格? Why Do QR Codes Always Have Three Large Squares?
無論掃描付款碼、登入網站,還是查看餐廳餐牌,你都會看見 QR Code 三個角落的大方格。它們並不是裝飾,而是讓手機能夠快速辨識 QR Code 的重要關鍵。 Every QR Code features three large squares positioned at its corners. They may look like decorative…
Read More知識社|冷知識 03|為什麼鍵盤是 QWERTY 排列? Why Is the Keyboard Arranged in QWERTY?
每天使用電腦、手機或平板打字時,都會接觸到 QWERTY 鍵盤,但你有沒有想過,英文字母為什麼不是依照 ABCDEF 順序排列?原來這種設計已有超過一百五十年的歷史。 Almost everyone types on a QWERTY keyboard every day, yet few stop to wonder why the letters…
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