Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink.

阿尼鲁德·夏尔马不仅想除掉空气中的有害炭物质，还希望创造一种更便宜的普通打印机油墨，解决墨水价格高昂的问题。

Sharma recently invented "Kaala," a device that can gobble up harmful pollutants and instantly repurpose them, with a little help from alcohol and oil, into black printer ink.

夏尔马最近发明了一种名叫“Kaala的装置，它能吞掉有害污染物并迅速将其变成有用物质，只需加点酒精和油，就能生成黑色打印机墨水。

One day, Sharma hopes to commercialize the device so it can live in every home around the world.

将来，夏尔马希望能将这个设置商业化，希望世界上的每家每户都能使用它。

The idea came to him after one-too-many smog-filled trips to his home country of India.

他经常去烟雾严重的祖国印度，如此往返，就有了灵感。

"On a hot summer day, if you take a handkerchief and rub it on your skin, the handkerchief actually turns a little brownish-blackish in color," says Sharma, a scientist at MIT's Media Lab. "So we thought, 'How do we repurpose something we complain about on an everyday basis into something that is a utility?'"

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