Inequality is real, it's personal, it's expensive and it was created. Today, 1% of Americans are taking home nearly 20% of the country's total income and own nearly 35% of the country's wealth. This didn't happen by accident. As former Secretary of Labor Robert Reich explains, we allowed it to happen.
Can 4D printing stretch the possibilities of 3D printing even further? "4D printing combines the attractive attributes of 3D printing -- complex shapes and topologies that can not be manufactured by traditional means -- and adds the ability for these artifacts to change shapes, configurations and even functions in a prescribed way by design over time."