Physicists developed a technique to arrange atoms in much closer proximity than previously possible, down to 50 nanometers. The group plans to use the method to manipulate atoms into configurations ...
Ahead of National Siblings Day on April 10, about half of U.S. adults who have a sibling say they are extremely (24%) or very (30%) close to at least one, according to a Pew Research Center survey. 54 ...
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