The Portland-Vancouver region's expansive metals industry needs to prepare quickly for the disruptive technological change that 3-D printing technology is ...
(Steven Lane/The Columbian)
April 16, 2011
Jason Lee Middle School seventh-graders Teaghan Cowles, 13, crouching. left, and Courtney Stump, 12, behind her, launch a rocket made with a 2-liter soda bottle and powered by water pressurized at 75 pounds per square inch.