Building a phase sequence detector

Today's 3D printers had their start in the rapid prototyping technologies of the 1980s and found their use in the industrial market. As patents expire, 3D printing technology is becoming more available to consumers.

Arduinos are now being used to produce smells, although, some applications are more scientific than others.

Semiconductor producer SK Hynix have announced that they are partnering up with Stanford University to research and develop a semiconductor device that will resemble the human brain. How will this affect computing in the future and what can we expect from such devices?