Thomas O'Brian, chief of the Time and Frequency Division of the National Institute of Standards and Technology, gets to the bottom of how we measure time.
» More on the Time and Frequency Division
» More on the Please Explain series
» More on the Time and Frequency Division
» More on the Please Explain series
About The Leonard Lopate Show
Host Leonard Lopate lets you in on the best conversations with writers, actors, ex-presidents, dancers, scientists, comedians, historians, grammarians, curators, filmmakers, and do-it-yourself experts.
Hosted by Leonard Lopate
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Features
- 25 Years of Lopate
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- Please Explain
- The Gurus of How-To
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- The Lodown
- The Story of New York in 10 Objects
- The Word Maven: Patricia T. O'Conner
- Tributes
- Underappreciated
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Show Archive
Show Archive
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