Today on Engineering Newswire, we’re healing bones faster than ever, learning to curve bullets, and test-driving a half-scale amphibious vehicle. This episode features:

DARPA Learns to Curve Bullets: DARPA has managed to take ballistics to the next level with its Extreme Accuracy Tasked Ordinance program, or EXACTO.

EXACTO was created to help military snipers hit distant moving targets in unfavorable conditions. And now the program has successfully completed its first live-fire test of in-flight guidance.

3D Printed Casts: Designer Deniz Karasahin is using 3D printing and ultrasound pulses to create a cast that helps speed up one regrowth.

With Low-Intensity Pulsed Ultrasound, or LIPUS, pulses of sound waves that are too high frequency to hear, increase the incorporation of calcium ions in cultures of cartilage and bone cells, as well at increase the expression of genes known to assist healing.

The Marine’s Ultra Heavy-Lift Amphibious Connector: The Marine Corps Warflight Lab recently showcased the ultra heavy-lift amphibious connector prototype, as part of the Rim of the Pacific Exercise, the world’s largest international maritime exercise.

A track driven ship to shore connecter, this thing is still huge even at half the proposed size, with a length of 42 feet, a width of 26 feet, and a height of 17.

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