How Big Is a Proton Anyway?
Nov 6 · 4 min read
The subatomic realm can be a confusing place, but you would think that we have studied atoms long enough to at least understand their most basic properties.

Things like how big a proton is. And based on several experiments, scientists had thought they had a pretty good handle on it too. Until an ingenious 2010 experiment came back with a very different number for the size of a proton, calling what we thought we…


