Uncategorized
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Letters
Water at the start, and later “Liquid acquisition” (SN: 1/15/11, p. 26) discusses two new models about how Earth got its water. But the two models are not mutually exclusive. Indeed, I wonder if perhaps two (or more) sources of water may be the only way to match all of the observed isotopic abundances. Is […]
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Japan crisis may have little effect on U.S. energy policy
Whatever the ultimate repercussions of the Fukushima Daiichi nuclear plant accident in Japan (see Page 6), the crisis raises questions over the role nuclear power should play as an energy source. Michael Levi, head of the energy security and climate change program at the Council on Foreign Relations in New York City, spoke to reporters […]
- Chemistry
Silicene: It could be the new graphene
Single-layer sheets of silicon might have electronic applications.
