PTB > Thematic tours > Questions about time
Here you find answers to questions about time which are frequently asked. Please click on a question from the list below to call the answer:
For illustrations and detailed information on atomic clocks, transfer of time, research topics, and more, see the pages published by the PTB Working Groups "Unit of Time", "Dissemination of Time" and "Optical Clocks"
Do you want to know more about Einstein and the time? Then visit the Einstein-online website.