But this guy is not making, he's not using things that we don't know about. Not complicated systems like lasers, he just takes a single photon. Here you go, this is great commentary. Okay. There's a kind of quantum system that is, we're talking about light, because it kind of light that is unnatural, that doesn't exist in nature, but we can make plenty of this. And these things are called FOX states. FOX states. FOX states. FOC care. It's a Russian. Who's picking up with this first? And these are states in a single mode that have definite numbers of photons, like five photons in a single mode, but they're going in a single direction or down a single optical fiber. Five photons. That's an unnatural act. What's a natural act? A natural act is to have a light wave that has an uncertain number of photons, like average of five, but sometimes four, sometimes three times. Not exactly. No, no, no, that's unnatural. Like all this light here, this is all a different mode, it's going in all different directions, but you would have a filter there, we'd take only one direction of this light, you would find that it is in, this is what's called thermal mode, it's caused by the heat of the sun. It's all over the place, right? It's all over the place, but no one mode of this light has a particular number of photons. The photon number is not an eigenvalue. But isn't it more like lasers then, and where there's a specific? Leasers don't have that either. Lasers are what are called coherent states, and they don't have single photon numbers either. They have a very precise frequency, but their photon number is undecided. They're called coherent states, the coherent state is well defined, but the person has photon number, the photon number is not a light wave. So what he does is he mixes plant states with coherent states in a clever way and destroys a patient that could have been made by and beguing it with a coherent state. He could make the measurements only because these things are fog states, because they have definite photon numbers in your measuring photon number. You can destroy that measure without actually unmeasuring it by mixing in coherent states, which have no definite photon number. That's what he does. He claims that he can destroy a measurement that could have been made, but now it's not made because of this uncertainty of photon number. And then the other entangled photon, where we fluctuate by doing something that never had been able to do before, because it was locked into this particular photon number. Anyway, it's a clever game, and it's all done with stuff we know how to do.