Washington, Apr 25 (ANI): As per a new research, with new technology that is taking 3-D printing to an entirely new level, we're onto 4-D printing now. The fourth dimension is time, shape shifting in ...

If we go in two dimensions, it gets a little more interesting. Check this out—it's a 2-D random self avoiding walk. I have it set for 100 steps, but it doesn't usually make it that far before it ...