Word: hydrogenized
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Basalt sequestration is one of several efforts to boost Iceland's role in climate-change science, including research into soil carbon sequestration and hydrogen-powered transportation. And Grimsson isn't above doing some firsthand testing. "I probably shouldn't tell you this, but I was the first person to exceed the speed limit in a hydrogen-powered car," he says. "I wanted to test its capability...
...power-plant exhaust so that there will be something to stash in the cavities in the first place. There are two promising methods. One is to gasify coal before it's burned, reducing it to a high-pressure synthetic gas that can be stripped of its carbon, leaving mostly hydrogen behind. The alternative is to pulverize coal as power-plant operators do now but then rely on new hardware to separate the CO2 after burning. Both methods are at least 20 years away from being fully developed, predicts Ernest Moniz, co-director of the M.I.T. Laboratory for Energy...
Despite the failure to find water, Charbonneau said he believes the high pressure on the hot, massive planet could have brought hydrogen and oxygen together to create water...
...runs but adds an innovation: the same hybrid motor used by SpaceShipOne to win the X Prize in 2004--laughing gas shot through rubber. In comparison, the spaceship being developed in great secrecy by Bezos' Blue Origin looks like a lopped-off nose cone. The three-seater, fueled by hydrogen peroxide (yup, the common household disinfectant, though in a highly purified form, with a touch of kerosene) appears based on an old Delta Clipper design done for NASA. Musk's SpaceX designers favor the NASA look too--of old Apollo capsules--but that translates into ocean splashdowns...
Luckily, space is a gold mine. A geologist by training, Benson points out that all those comets and asteroids tumbling around in near-Earth orbit contain water and minerals. Water's components--hydrogen and oxygen--are the building blocks of life and a darn good rocket fuel as well. Some estimates put the number of asteroidal water deposits at 5 million. Some metallic asteroids have 100 times the concentration of gold of any mines on earth today. (Earth's gold results from some of those asteroids crashing into the planet.) "While exploration is going on, we can use those natural...