Is There a Threed Object?

There's a lot of different ways to do it. None of them are perfect. We can't do a complete perfect hologram yet in our universe. Like those baseball cards, they have a little bit of an angle there. It's obviously not a threedy object. That's done by having these little ridges so that when you look at it from a different angle, you actually see a different image. Because it is actualy like a bunch of different pictures printed at different angles. And the more clever ones, the more impressive ones, use interference tricks. They send multiple beams of light from everyt on the surface. And then where you are, you get a different kind