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Phoenix666 writes:

BYU engineering professors have created an origami-inspired, lightweight bulletproof shield that can protect law enforcement from gunfire.

The new barrier can be folded compactly when not in use, making it easier to transport and deploy. When expanded—which takes only five seconds—it can provide cover for officers and stop bullets from several types of handguns.
...
In working with law enforcement, BYU researchers learned much of what is currently used hasn't evolved much from medieval times: shields that are mostly flat, awkward plates that cover only one person. Current barriers are so heavy and cumbersome they make it difficult for officers to move into position.

The barrier Howell and his colleagues designed is made of 12 layers of bulletproof Kevlar and weighs only 55 pounds (many of the steel-based barriers in current use approach 100 pounds). The BYU-built barrier uses a Yoshimura origami crease pattern to expand around an officer, providing protection on the side in addition to protecting them in the front.

Aren't police using exploding robots in that kind of situation now?

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