且他们体积小得多（典型的LED大概就是铅笔顶上橡皮大小），不怕碰撞，并且也许更重要的是它的超级功效。

They also take up much less space (a typical LED is about the size of the rubber on the end of a pencil), are shock resistant and, perhaps most important of all, are extremely energy-efficient.

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研究人员们利用NASA戈达德航天中心（Goddard Spaceflight Center）的超级计算机模拟了柯伊伯带中75000个微粒的碰撞情况。

The researchers used a supercomputer at NASA's Goddard Spaceflight Center to simulate 75,000 particles bumping around the Kuiper belt.

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当中国电影公司都纷纷将其新电影档期排开，避免与好莱坞超级大片产生正面碰撞，光线影业却决定用一部神经喜剧正面迎击。

While Chinese film companies moved the schedules of their new releases to avoid a head-on collision with the Hollywood juggernaut, Enlight Pictures decided to tackle the beast with a screwball comedy.

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