sbaker writes: Ada Lovelace — considered by some to be the worlds' first computer programmer, and because Charles Babbage was more interested in improving his designs than getting something working — she was also quite possibly the most frustrated programmer because she didn't have anything to run her code on.
sbaker writes: "3D Printers (or 'Rapid prototyping machines') can produce arbitary three dimensional objects in plastic or sometimes metal directly from a CAD model — just like printing a picture on your trusty inkjet. These nifty gadgets typically cost a prohibitive $20k — but what happens if such things cost just $5k. Once this baby hits the streets, other manufacturers will have to follow. Did the world just change?"