In the 1930’s Napoleon Hill, author of the all time bestseller, “Think and Grow Rich” wrote, “What the mind of man can conceive and believe, it can achieve.” It had a catchy ring to it when I first read it but I always thought there were limits to the veracity of this statement. Could we really achieve anything we thought of if we believed we could?
Maybe we can. Today I got an e-mail from my sister with a link to a YouTube video about a copy machine that copies objects in 3-D. That means that after it scans a 3-D object, it quickly produces...