Although APXS and ChemCam will tell you which chemical elements are present, they don't tell you how precisely those atoms are arranged into the crystalline structures that make up the rock, and both this mineralogy and the chemical composition are ideally needed to assign a rock name.

BBC: Cosmic coincidence on the road to Glenelg

Surprisingly, rock stars, actors, and jocks only make up 3% of the fortunate few.

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Hendrix changed the way the guitar was played and inspired legions of aspiring rock stars to crank up their amps and make that feedback sing.

NPR: Hear the Music

"We wanted to come together in a bipartisan way to make Fox Sunday night rock, " sums up Simpsons executive producer Al Jean of the MacFarlane casting.

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Show off other people's cutting-edge gadgets, talk about how Intel's microchips make them possible and wrap it all up in some rock music.

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I'm used to PRs and make-up artists being in attendance, but I've never known a group of writers to rock up before.

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