Throwing out data seems to make measurements of distances and angles more precise. The reason why has been traced to Heisenberg’s uncertainty principle.
When astronomers tried to confirm a signal from the birth of the first stars after the Big Bang, they saw nothing.
The same phenomenon by which an opera singer can shatter a wineglass also underlies the very existence of subatomic particles.
The root of today’s quantum revolution was John Stewart Bell’s 1964 theorem showing that quantum mechanics really permits instantaneous connections between far-apart locations.