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
Gravity

Gravity

Physicists measure smallest gravitational field yet

11 Mar 2021
two gold spheres, one at the end of a rotatable rod, the other fixed
Fine balance The researchers measured the gravitational field between two gold masses of 1mm radius each that are brought close to each other. (Courtesy: Tobias Westphal, University of Vienna)
Physicists in Austria have measured the gravitational field from the smallest ever object: a gold sp

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

Edwin Cartlidge is a science writer based in Rome
Read previous

Photonic crystal lasers deliver optimal performance for lidar sensing and laser processing
Read next

Programmable photonic chip lights up quantum computing

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors