Here's something to do: wave your hand around in thin air to form an imaginary shape of a chair. Go ahead, do it right in front of your computer... Now imagine this: that imaginary chair you just drew became a real, solid chair in a matter of minutes. This reality is already here.
The folks at FRONT Design have created a way of sketching pieces of furniture in ordinary 3D space, and project it into a virtual space where, with the help of lasers, that identical solid plastic object can be born. Click here to view a video of how this is done. It's truly amazing stuff.
Looks like the future is catching up with us!