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  • Air is a remarkable substance.

    空氣是一種非凡的物質。

  • Not only does it allow us to breathe,

    它不僅能讓我們呼吸。

  • which I think we can all agree is a good thing,

    我想我們都同意這是一件好事。

  • but if you compress it and contain it,

    但如果你把它壓縮幷包含。

  • you can have loads of fun.

    你可以有很多樂趣。

  • Like defying the laws of physics.

    就像藐視物理定律一樣。

  • Or for wacky furniture.

    或為古怪的傢俱。

  • Whack!

    捶!

  • See?

    看到了嗎?

  • The secret to understanding and using compressed

    瞭解和使用壓縮的祕密

  • air is to realize that all it wants to do

    空氣是意識到它想做的一切。

  • is stop being compressed air.

    是停止被壓縮空氣。

  • It wants to escape and in so doing air

    它想逃跑,這樣做空氣

  • teaches us valuable science on pressure differentials

    教給我們寶貴的壓差科學知識

  • and conservation of energy.

    和能量的保存。

  • If air in one part of a container is compressed,

    如果容器中的某一部分空氣被壓縮。

  • it will apply pressure to all other parts

    它將對所有其他部分施加壓力

  • until all areas are the same pressure.

    直到所有區域的壓力相同。

  • This is due to conservation of energy.

    這是由於能量的守恆。

  • When a container of compressed air is open to the atmosphere,

    當壓縮空氣的容器向大氣開放時。

  • the high pressure inside equalizes

    內壓平衡

  • with a lower pressure outside, producing

    外部壓力較低,產生

  • a force as the air escapes.

    當空氣逸出時,一種力量。

  • And whatever is containing the compressed air needs to have

    而不管是裝壓縮空氣的東西,都需要有足夠的空氣。

  • the material strength to withstand

    材料的承受力

  • the pressure differential, otherwise, it will fail.

    壓差,否則會失效。

  • To sum up, pressure changes will be transferred

    綜上所述,壓力的變化將被傳遞到

  • to all parts of the container.

    到容器的所有部分。

  • Give something at high pressure an opening,

    給高壓的東西一個開口。

  • and it will take it and escape with force.

    它就會拿著它,強行逃跑。

  • And finally, whatever you do, make sure the container

    最後,無論你做什麼,都要確保容器的安全性

  • you're using is strong enough.

    你使用的是足夠強大的。

  • So now you know.

    所以現在你知道了。

  • But do our researchers know?

    但我們的研究人員知道嗎?

  • Yes, they do.

    是的,他們做。

  • The jumper has cleverly demonstrated

    跳樓者巧妙地展示了

  • a basic pneumatic system.

    一個基本的氣動系統。

  • He adds kinetic energy, with his jump, which causes

    他增加了動能,與他的跳躍,這導致了。

  • a pressure change in the bag.

    袋子裡的壓力變化。

  • And due to conservation of energy,

    而由於能量的守恆。

  • the kinetic energy is transferred to her,

    的動能傳遞給她。

  • and she then transfers that same energy to the bedside table

    然後她把同樣的能量轉移到床頭櫃上。

  • via her head.

    通過她的頭。

  • How about something a little more high tech?

    不如來點更高科技的東西?

  • Surely these amateur rocket engineers

    當然,這些業餘的火箭工程師

  • understand pneumatics.

    瞭解氣動。

  • Turns out, they don't.

    事實證明,他們沒有。

  • The young researcher was trying to compress

    年輕的研究人員正試圖壓縮

  • air by jumping on the pump.

    通過跳到泵上的空氣。

  • Unfortunately, he misses.

    可惜,他失手了。

  • But Oliver does it.

    但奧利弗做到了。

  • When the pump is pressed, the pressure differential created

    當泵被按下時,所產生的壓差

  • applies a force that launches the rocket.

    施加一個發射火箭的力。

  • Good to get a closer look at the physics.

    很好,可以近距離觀察物理學。

  • Understanding the science allows you to take

    瞭解了科學,您就可以採取

  • advantage of the science.

    科學的優勢。

  • Like building a beach trampoline.

    就像建一個沙灘蹦床。

  • Fun times.

    好玩的時候。

  • Yeah, less fun times.

    是啊,少了點樂趣的時光。

  • The membrane of the beach ball didn't have the material

    沙灘球的膜沒有材料。

  • strength to contain the higher pressure produced by our more

    強度,以控制我們的更高壓力。

  • sure footed researcher.

    穩健的研究者。

Air is a remarkable substance.

空氣是一種非凡的物質。

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B1 中級 中文 空氣 容器 壓力 能量 動能 科學

壓縮空氣的祕密|愚蠢的科學。荒謬的失敗 (The Secret of Compressed Air | Science of Stupid: Ridiculous Fails)

  • 13 1
    林宜悉 發佈於 2020 年 11 月 20 日
影片單字