Feature Sizing up the Electron Measuring the inner shape of the famous particle could help solve a cosmic mystery By Alexandra Witze January 28, 2011 at 1:58 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print Long thought to be a simple speck of negative charge, the humble electron may be hiding one more surprise in its depths. Detecting an electric dipole moment would mean electrons, which buzz about atomic nuclei, have internal structure. © galinka86/dreamstime.com