Our website will be undergoing maintenance on Sunday, March 15, 2026 from 7:00 am until 8:00 am Eastern Standard Time. During this time frame, no orders can be placed. We appreciate your patience. Thank you.
{{product.AlternativeText}}
{{product.AlternativeText}}

/ 

|
OR Continue Checkout View Cart ()

All {{categoryNode2.CategoryNodeInfo.Description}}

All {{categoryNode2.CategoryNodeInfo.Description}}
{{productSuggestion.AlternativeText}}
{{productSuggestion.AlternativeText}}

/ 

  Switch Customer

  | 

Go to recently viewed Go to wish list Go to product list
Switch Customer
{{product.AlternativeText}}
{{product.AlternativeText}}

/ 

|
OR Continue Checkout View Cart ()

All {{categoryNode2.CategoryNodeInfo.Description}}

Industry News

NIST’s ion clock claims record for ‘most accurate in the world’

Jul 23, 2025, 13:07 PM by System
https://optics.org/news/16/7/40
In the latest wave of optical atomic clocks, it is accurate to 19 decimal places.

Leave a comment

Order by

Newest on top Oldest on top
Load more comments
Comment by from