Word: hydrogenating
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...envisions launching a four-person spacecraft to Mars--but launching it with its tanks empty of fuel and its cabin empty of crew. Landing on the surface, the craft would begin pumping Martian atmosphere--which is 95% carbon dioxide--into a reaction chamber, where it would be exposed to hydrogen and broken down into methane, water and oxygen. Methane and oxygen make a first-rate rocket fuel; water and oxygen are necessary human fuels. All these consumables could be pumped into tanks inside the ship and stored there...
Stanislaw Ulam, a mathematician who helped build the hydrogen bomb, initially supported Ulam at Brown University...
...Depression and others 35. Bush's wasn't very high 36. Shakespeare title word 37. One of the DiMaggios 38. With 1-Down, television bride 40. Kidnapped monogram 41. Grammy-winning rapper 43. Rene of silents 45. A Berkeley scientist has figured a way to make hydrogen fuel from these 46. He's running on the Green ticket 47. Betamax introducer 48. Straw in the wind...
...enlarge and expand. We have recently found out that the entire universe is expanding more than we had initially believed. We build, invent and discover at a pace that is dizzying for us, perhaps turtle footed for you. This year the automobile industry produced a vehicle powered by liquid hydrogen; Detroit plans to have fuel-cell cars on the roads in 2004. (I assume yours run on carrots.) The computer industry comes up with a "killer app" every 18 months. With silicon chips reaching their limit, the industry announces "molecular computing"--shrinking computer circuits to the size of molecules. Soon...
Behind its barred windows sit 28 atomic clocks, four of them holding atoms of hydrogen and the rest cesium. When excited by lasers or irradiated with microwaves, the atoms begin to dance with an utterly regular vibration that's monitored by computer. Once each second, the results are fed into America's Master Clock; the measurements from this and similar clocks around the world are sent to the International Bureau of Weights and Measures outside Paris--the ultimate timekeeping authority. It is there, next Friday, that the pulsing of billions of atoms will officially signal that civilization's odometer...