3D printing will revolutionise war and foreign policy

But with key patents running out this year, new printers that use metal, wood and fabric are set to become much more widely available — putting the engineering world on the cusp of major historical change.
The billion-dollar defence industry is at the bleeding edge of this innovation, with the US military already investing heavily in efforts to print uniforms, synthetic skin to treat battlewounds, and even food, said Alex Chausovsky, an analyst at IHS Technology.
Scientists at the Massachusetts Institute of Technology have already invented “4D printing” — creating materials that change when they come into contact with elements such as water.

via 3D printing could revolutionise war and foreign policy.

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