The big theoretical problem of dark energy

In a Universe that comes to be dominated by dark energy, there are four regions: one where everything within it is reachable and observable, one where everything is observable but unreachable, one where things will someday be observable, and one where things will never be observable. The numbers correspond to our consensus cosmology as of…

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Biden Administration Approves Huge Alaska Oil Project

Administration officials are moving ahead with the Willow project despite the fact its environmental analysis raised “substantial concerns” about emissions, danger to freshwater sources and threats to migratory birds, caribou, whales and other animals that inhabit the region. According to the two people familiar with the deliberations, the administration concluded that it doesn’t have the…

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