...and can't be put back in. Even if all of modern science were false, and a beautiful and elegant new theory arose that replaced all of it, industrial science is here to stay; the days of at-home laboratories and individual pioneers making giant strides on their own are behind us.
I say this fully cognizant of the fact that the industrial revolution is shortly to meet its match in at-home production via devices such as 3D printers. History may make a liar of me yet.