[00:00] All right, hold on, stay with me. I put a real-life invisibility shield on my shower, but here's where it gets weird. Plunger, and you can see the plunger, but you can't see me, [00:15] unless I turn the plunger vertically, because this is a special lens that takes anything standing upright or vertical and makes it invisible. We're gonna put my wife in the shower and do the same thing, and let me show you the secret right now. It's called [00:29] lenticular lens and it messes with vertical lines in a very interesting way. So what if instead of using pencils we used, I don't know, a person like my wife. [00:41] So I'm covering my entire shower door with lenticular lens so that anyone taking a shower becomes invisible. Alright we are done. You ready to see this? Look what I did. It looks like I've just frosted the glass, okay, but actually I've [00:56] have created the best hide and seek spot in the house. Hop in the shower. Okay, now for this to work perfectly, yes, just like you're taking a shower, when I close this door, you are going to disappear. [01:09] But you're actually, it's not gonna feel like anything happens, you're just going to look invisible to all of us. You ready? Okay, here we go. What, just, yep, stand completely erect like that. Perfect, ready? [01:21] One, two, three. It looks like the shower is empty, but...