Particle Physics
For an electron to become detectable, a photon must first interact with it, and this interaction will change the path of that electron. It is also possible for other, less direct means of measurement to affect the electron.
Read more about this topic: Observer Effect (physics)
Famous quotes containing the words particle and/or physics:
“Each particle is a microcosm, and faithfully renders the likeness of the world.”
—Ralph Waldo Emerson (1803–1882)
“The labor we delight in physics pain.”
—William Shakespeare (1564–1616)