Phys.Org reports on a study that says that making things with aa 3-D printer is more energy efficient than making them in a factory in China and shipping them to the US. So everybody should get a 3D printer and start making their own stuff.

The story is here.

So does this mean we should move this to the Climate Change forum?

Bill Gill

C is not the speed of light in a vacuum.
C is the universal speed limit.