Skip to main content
Gravity

Gravity

Helping ‘big G’ get back on track

03 Aug 2001

New measurements of the gravitational constant confirm that the official value needs to be increased and, as John Moore reports, could explain what went wrong in a previous experiment.

Gee whizz
Ever since Henry Cavendish first measured Newton’s gravitational constant in 1798, the value o

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
Back to Gravity Gravity
Copyright © 2025 by IOP Publishing Ltd and individual contributors