Register for an account


Enter your name and email address below.

Your email address is used to log in and will not be shared or sold. Read our privacy policy.


Website access code

Enter your access code into the form field below.

If you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.

The Sciences

That Word You Heard: Glueball

Force is strong with this one.

By Lacy SchleySeptember 1, 2016 5:00 AM
Chad Edwards


Sign up for our email newsletter for the latest science news

No, it’s not the little glob that clogs up your Elmer’s bottle. A glueball is a particle comprising only other particles called gluons, which have no mass. Gluons are the force particles that hold together quarks, which make up protons and neutrons. That means a glueball is made up entirely of force. And scientists can’t even observe this unstable particle; they can only detect it by trying to calculate its decay. But in 2015, researchers announced a promising new calculation technique that could help them finally pin down the elusive glueball.

3 Free Articles Left

Want it all? Get unlimited access when you subscribe.


Already a subscriber? Register or Log In

Want unlimited access?

Subscribe today and save 50%


Already a subscriber? Register or Log In