Skip to main content

Reset your password

Please enter the e-mail address you used to register to reset your password

Note: The verification e-mail to change your password should arrive immediately. However, in some cases it takes longer. Don't forget to check your spam folder.

If you haven't received the e-mail in 24 hours, please contact customerservices@ioppublishing.org

Registration complete

Thank you for registering with Physics World
If you'd like to change your details at any time, please visit My account

Close
Atomic and molecular

Atomic and molecular

Gravitational time dilation measured on millimetre scale in atomic clocks

19 Feb 2022
Strontium atomic clock at JILA
Changing times: JILA researchers measured time dilation within this tiny cloud of strontium atoms. (Courtesy: R Jacobson/NIST)
Two independent teams of researchers in the US have used differential measurement techniques to remo

You’ve reached the limit of what you can view on Physics World without registering

If you already have an account on Physics World, then please sign in to continue reading

If you do not yet have an account, please register so you can

  • Access more than 20 years of online content
  • Choose which e-mail newsletters you would like to receive

Tim Wogan is a science writer based in the US
Read previous

Study underlines AI's clinical potential in breast cancer screening
Read next

Clay nanosheets produce bright structural colours

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors