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
Materials

Materials

Wet and dry spheres pack together in the same way

29 Apr 2019
Spheres
Liquid bridges: wet packing of disks at 3.1% liquid content. The tomography image on the left is the raw data after noise reduction. The processed image on the right shows the spheres in blue and the liquid in yellow. (Courtesy: S Weis, G Schröder-Turk and M Schröter/New Journal of Physics)
Adding water to a granular material does not necessarily result in significant structural changes, a

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

Sam Jarman is a science writer based in the UK
Read previous

Astronomers eye-up an orbiting array for imaging Milky Way’s supermassive black hole
Read next

Climate studies fail to credit Indigenous communities

Discover more from Physics World

Related jobs

Related events

Copyright © 2025 by IOP Publishing Ltd and individual contributors