On Dec 13, 2006, the sun itself provided a crucial clue, when a solar flare sent a stream of particles and radiation toward Earth.

2006年12月13日，当一次太阳耀斑向地球发射了一束粒子和辐射流时，它为我们提供了一条重要的线索。

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Low costs are a big reason why Intel and AMD have survived, while companies known for data-center processors built around so-called RISC designs such as DEC and Sun have been swallowed up by larger companies.

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The technology landscape is strewn with fallen stars such as DEC, HP, Yahoo, and Sun.

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