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Over the decades, computers have permeated our lives to an astonishing degree. When the first modern computer was conceptualized and built in the 20th century, it was so large that it took up a whole room. Over time, the technology shrank . First, computers became small enough to sit on a desk and be brought into the home. Then, they were made lightweight and portable, giving us the laptop. Today, most people have something even smaller: a smartphone that can fit into a pocket. Though that’s as compact as most people are used to, computers and technology are getting even tinier!
One of the tiniest forms of technology available today is the microbot. A microbot is a very tiny robot—a machine programmable by a computer—that is built to perform specific tasks. You might be inclined to refer to this as just a small robot, but the size and dimensions of microbots are actually quite precise. A microbot is less than one millimeter in width, approximately the size of the tip of a pencil. In comparison, a small robot, which can be up to 100 centimeters in width, would be absolutely gigantic. If you think that microbots are as small as you can get, think again. Nanobots smaller than one micrometer exist, but these are so small that they aren’t visible to the naked eye.
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Since microbots are so small, they are potentially very cheap. Scientists and engineers working to develop these microbots believe that they could be useful to explore environments or areas that are too small or dangerous for people. And because the computing power of one single microbot isn’t that large, microbots could be deployed in large groups or swarms of microbots. At the moment, the biggest obstacle to the development of these tiny machines is figuring out how to power a robot that can only contain a minuscule battery.
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Tai Tzu-ying's surprising performance at the Tokyo 2020 Olympics has encouraged many people in Taiwan to take up badminton.
在 2020 東京奧運中戴資穎出乎意料的表現已經鼓舞許多臺灣人開始學羽毛球。
My suitcase takes up a lot of space in my bedroom closet.
我的行李箱占了房間衣櫃很多空間。
My bedroom is very small, so I don't think this wardrobe will fit into it.
我的房間很小,所以我覺得我房間放不下這個衣櫥。
Eddie's room is always messy. In comparison,his brother's room is clean and tidy.
艾迪的房間總是亂糟糟的。相比之下,他弟弟的房間乾淨又整潔。
If you think such a scam can never happen to you, think again.
如果你認為這類詐騙不可能發生在你身上,那你就錯 了。
Some tiny insects are hardly visible to the naked eye.
有些小昆蟲很難用肉眼看見。
We need to figure out a way to fix this problem.
我們得想出個方法來解決這個問題。
Swarms of visitors go to the ancient shrine every New Year.
每年新年,一大群遊客會前往那座古老神社。
幾十年來,電腦充斥在我們的生活中幾乎已到了無處不在 的程度。在二十世紀,人們構想並建造出第一臺現代電腦時, 其體積大到占據了一整個房間。隨著時間的推移,電腦科技越 變越小。首先,電腦尺寸變小到能夠被放置在桌上,且能被人 們帶回家中。接著,它們變得輕巧且方便攜帶,為我們提供了 筆記型電腦。如今,大多數人擁有更小的電腦科技:可以放入 口袋中的智慧型手機。儘管大多數人習慣了那樣小巧的電腦科 技,但電腦和科技仍持續變得越來越小!
當今可以取得的最小科技形式之一是微型機器人。微型 機器人是一種非常微小的機器人 ── 可由電腦程式控制的機 器 ── 被打造來執行特定的任務。你可能只想稱它為小型機 器人,但微型機器人的大小和尺寸實際上非常精確。一個微型 機器人的寬度不到一毫米,那大約是一支鉛筆筆尖的大小。相 較之下,一臺尺寸可達一百公分寬的小型機器人可說是極其巨 大。如果你認為微型機器人是最小的電腦科技,那你就錯了。 尺寸小於一微米的奈米機器人存在於世,但它們太小了,肉眼 無法看見。
由於微型機器人是如此地小,它們可能非常便宜。致力於 開發這些微型機器人的科學家和工程師認為,它們可能有助於 探索對人類來說太小或太危險的環境或區域。而且由於單一個 微型機器人的計算能力沒有那麼大,微型機器人可以被部署成 大群或成群的形式。目前,開發這些微型機器的最大障礙是, 得要想出如何為這種只能容納極小電池的機器人供電。