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| Coming, faster computers |
| With electrons moving through it 100 times faster than in silicon, graphene promises to improve computing speed over the next decade, writes P. Hari |
| The remarkable electronics revolution of the last two decades depended critically on one phenomenon: the steady increase in the speed of computer chips. The famous Moore’s Law states that processing power will increase every 18 months while the price would halve. Moore’s Law remained valid... |
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| Sign of the times |
| Every Thursday evening, Rusty Rosen teaches 15 students of American Sign Language (ASL) at Columbia University’s Teachers College. Though Rosen i
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| Watch out for typhoid |
| Sanitation has never been an election issue. No political party has promised us cleaner cities or a healthier environment. Even after more than 60 yea
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