Grandfather clocks

The Leap Second Gains a 3-Year Reprieve

01.20.12

With no consensus, international delegates postponed for three years a decision on whether to eliminate leap seconds, which help keep the world’s atomic clocks synchronized with Earth’s rotation.

Jean-Louis Cohen’s New Book, "The Future of Architecture Since 1889"

01.20.12

In his new book, the noted historian explores the rapid transformation of the built environment over the past century
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