Tag

Timekeeping

All articles tagged with #timekeeping

Colorado Windstorm Disrupts U.S. Official Time by Microseconds

Originally Published 18 days ago — by WRAL

Featured image for Colorado Windstorm Disrupts U.S. Official Time by Microseconds
Source: WRAL

A power outage at NIST in Boulder caused a disruption in atomic clock operations, affecting internet time servers globally. Backup systems were activated, restoring accurate time within nanoseconds, but the incident highlights the critical role of atomic clocks in modern technology like GPS and financial systems.

Earth's Days Shorten as Spin Accelerates, Prompting Scientific Reassessment

Originally Published 5 months ago — by National Geographic

Featured image for Earth's Days Shorten as Spin Accelerates, Prompting Scientific Reassessment
Source: National Geographic

This summer, Earth experienced some of the shortest days in recorded history due to the planet spinning faster, influenced by factors like lunar gravity, atmospheric changes, and internal core dynamics. While these millisecond variations are imperceptible to humans, they have significant implications for precise timekeeping and technology, with scientists uncertain about future trends due to complex geophysical interactions.

Nuclear Clock Breakthrough Aids Dark Matter Research

Originally Published 6 months ago — by The Daily Galaxy

Featured image for Nuclear Clock Breakthrough Aids Dark Matter Research
Source: The Daily Galaxy

Scientists have developed a new method using thorium-229 in a nuclear clock to detect dark matter by measuring tiny shifts in atomic resonance frequencies, potentially revolutionizing our understanding of the universe's elusive dark matter and offering unprecedented precision in detection.

Global Collaboration Achieves Unprecedented Precision in Redefining the Second

Originally Published 6 months ago — by National Institute of Standards and Technology (.gov)

Featured image for Global Collaboration Achieves Unprecedented Precision in Redefining the Second
Source: National Institute of Standards and Technology (.gov)

Researchers at NIST have developed the most accurate atomic clock based on a trapped aluminum ion, achieving 19 decimal places of accuracy and surpassing previous records by 41%. The clock's enhanced stability and precision are due to improvements in the ion trap design, vacuum chamber, and laser stability, enabling new scientific research and potential redefinition of the second.

Earth's Rotation Sets New Record: Implications for Humanity

Originally Published 6 months ago — by The Daily Galaxy

Featured image for Earth's Rotation Sets New Record: Implications for Humanity
Source: The Daily Galaxy

Earth is spinning faster than ever, with recent records indicating the shortest days since 1973, likely due to factors like core movement and melting glaciers. This acceleration impacts timekeeping systems, potentially leading to the removal of leap seconds, and has significant implications for technologies relying on precise time synchronization.