How do scientists measure a second? 🕒 Watch this video to learn more about our new atomic clock, NIST-F4, and how we measure time. | National Institute of Standards and Technology (NIST)
1:00
How do scientists measure a second? 🕒 Watch this video to learn more about our new atomic clock, NIST-F4, and how we measure time. | National Institute of Standards and Technology (NIST)
74.8K viewsApr 30, 2025
FacebookNational Institute of Standards and Technology …
How do people around the world keep time together? They use atomic clocks. These remarkable devices tap into frequencies hidden in the hearts of atoms to produce astoundingly stable, accurate ticks of time – far better than any other kind of clock. This animation explains why we use atoms to keep time and how they keep us all on the beat. | National Institute of Standards and Technology (NIST)
2:24
How do people around the world keep time together? They use atomic clocks. These remarkable devices tap into frequencies hidden in the hearts of atoms to produce astoundingly stable, accurate ticks of time – far better than any other kind of clock. This animation explains why we use atoms to keep time and how they keep us all on the beat. | National Institute of Standards and Technology (NIST)
958 viewsMay 6, 2025
FacebookNational Institute of Standards and Technology …
Move over atomic clock, there may soon be a new timekeeper in town. Scientists are working on a clock that would tap the secrets hidden inside the atomic nucleus. This clock could someday become the most precise timekeeper ever made and allow scientists to probe deeper than ever into the mysteries of the universe. Check out this video to learn more. | National Institute of Standards and Technology (NIST)
2:00
Move over atomic clock, there may soon be a new timekeeper in town. Scientists are working on a clock that would tap the secrets hidden inside the atomic nucleus. This clock could someday become the most precise timekeeper ever made and allow scientists to probe deeper than ever into the mysteries of the universe. Check out this video to learn more. | National Institute of Standards and Technology (NIST)
31.9K views8 months ago
FacebookNational Institute of Standards and Technology …
NIST-F4 isn’t just a clock — it’s the culmination of decades of scientific ingenuity, engineering breakthroughs, and an unwavering pursuit of precision. In this video, we explore the creation of NIST-F4, the United States’ latest primary frequency standard, and how it redefines what it means to measure time with atomic accuracy. From unexpected flaws to groundbreaking redesigns, this is the story of how one of the most precise timekeeping instruments ever built came to be — and why it’s crucial
3:19
NIST-F4 isn’t just a clock — it’s the culmination of decades of scientific ingenuity, engineering breakthroughs, and an unwavering pursuit of precision. In this video, we explore the creation of NIST-F4, the United States’ latest primary frequency standard, and how it redefines what it means to measure time with atomic accuracy. From unexpected flaws to groundbreaking redesigns, this is the story of how one of the most precise timekeeping instruments ever built came to be — and why it’s crucial
2.6K viewsMay 15, 2025
FacebookNational Institute of Standards and Technology …
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Do you have a moment to talk about what time is and why we measure it? Learn more at https://www.nist.gov/topics/time-frequency. | National Institute of Standards and Technology (NIST)
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