Washington Post: President Obama has sent a letter to his Russian counterpart that raises the prospect of the United States halting development of its missile defense program in Eastern Europe if Russia helps resolve the threat posed by Iran’s nuclear program, senior administration officials said last night.
Obama’s letter, delivered to Russian President Dmitry Medvedev in mid-February, “covered a number of topics” of mutual interest to the two countries, “including the issue of missile defense and how it relates to the Iranian threat,” a senior administration official said.
An ultracold atomic gas can sync into a single quantum state. Researchers uncovered a speed limit for the process that has implications for quantum computing and the evolution of the early universe.
January 09, 2026 02:51 PM
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