<img src=“https://imgs.xkcd.com/comics/water_filtration.png” title=“You’d think the most expensive part would be the quark-gluon plasma chamber, but it’s actually usually the tube to the top of the atmosphere to carry the cosmic rays down.” alt=“You’d think the most expensive part would be the quark-gluon plasma chamber, but it’s actually usually the tube to the top of the atmosphere to carry the cosmic rays down.” />