Neil deGrasse Tyson @neiltyson
.@gus991 What's the basic difference between a scientist and an engineer, you wonder? One asks "Why?" The other asks "How?" — PolitiTweet.org
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Sun Jul 31 02:38:07 +0000 2011
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Likely AvailableNeil deGrasse Tyson @neiltyson
.@gus991 What's the basic difference between a scientist and an engineer, you wonder? One asks "Why?" The other asks "How?" — PolitiTweet.org