As a being whose body contains billions of billions of atoms, I am subject to certain rules. To walk through my front door, I first have to open it. If I throw my jacket onto a chair, it will move in the direction and at the speed with which I tossed it, and stay on the chair until I pick it up again. I can’t affect the movement of a tennis ball in China by bouncing one in New York. In the quantum world, where physicists study the behaviors of individual atoms and their even smaller parts, these laws do…

These days, you can easily find vapes in flavors that include “Lush Ice,” “Blueberry Banana,” “Mango Lychee,” “Hot Fudge,” and “Fcuking Fab” (whatever that is). No matter which one you choose, it’s almost certainly illegal. The tiny battery-powered devices that produce a mist of nicotine when you inhale, first popularized by Juul, are not outright banned—at least not for adults—but only a few flavored vapes have gotten the FDA authorization required before they hit the market. That hasn’t stopped hundreds of shadowy companies, many based abroad, from effectively hawking contraband. Vapes are sold to Americans online for as little as…