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Physics
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2013년 12월 19일
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When a solid object like a rubber ball is compressed onto a solid surface, it retains its original form when decompressed. In contrast, a water droplet’s contact angle with the surface irreversibly changes. But a new study has shown that a droplet of liquid mercury can undergo a reversible... 자세히보기
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2013년 10월 17일
In a recent study, physicists placed the strictest limit yet on how much the alpha could change with the density of nearby matter. The method for measuring the constant may help probe whether the value has remained constant over the lifetime of the universe. Read more in Nature Communications.S.... 자세히보기
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