If there's one thing that smartphone users have in common, it's the perpetual battle with a low battery. There's nothing more frustrating than having your device die mid-text, mid-song, mid-whatever-it-is-you're-doing, especially if you're not near an outlet (travelers and outdoorsy types, etc.). But what if it was possible to juice up your phone, GoPro, or speakers, simply by holding a ball, and generating clean electricity in the palm of your own hand?
如果智能手機用戶有一個共同之處的話，那就是不斷與低電量“交戰(zhàn)”。在你發(fā)短信、聽歌，或是在做任何事中途，設(shè)備沒電了，沒有什么比這更令人沮喪的了，特別是當(dāng)電源插座還不在你身邊的時候（比如旅客、戶外活動愛好者等一類人）。但是，如果你只需握住一個球，獲取你自己掌心中的清潔電能，就有可能給你的智能手機、相機或揚聲器充電，將會怎樣呢？

Enter HandEnergy: a Kickstarter-spawned "pocket electricity generator" that you can take on the go. It looks like a ball, but it houses a magnetic rotor that produces an electric current that, when you hold the ball and rotate your wrist to generate motion, charges its own built-in batteries. That current is transmitted through a USB cord linked to your device -- smartphones, GoPros, tablets, smart watches, speakers, e-readers, and more -- and charges it.
來認識一下HandEnergy：一款可以隨身攜帶的，由Kickstarter孵化的“口袋發(fā)電機”。它看上去就像一個球，不過，它嵌入了一個可以輸出電流的磁性旋轉(zhuǎn)體，當(dāng)你握住這個球，并轉(zhuǎn)動手腕的時候，就可以產(chǎn)生動能，為其內(nèi)置的電源充電。輸出的電流通過一根連接你的設(shè)備（智能手機、相機、平板電腦、智能手表、揚聲器、電子書閱讀器以及其他更多裝置）的USB線傳輸，并為其充電。

The hand motion you have to make to get the energy flowing might make you look, well, slightly crazy. But aside from your fleeting self-consciousness, the gadget will make you stay connected to the real world. Science is cool, right?
你必須活動手部來產(chǎn)生能量流動，咳，這可能會讓你看上去有點傻。但是除了你轉(zhuǎn)瞬即逝的難為情，這個小裝置可以讓你與真實世界保持聯(lián)系?？茖W(xué)很酷，對吧？

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