3D Printed Holography Device Protects Soldiers from Aerosols

Holography has been touted as being just around the corner for decades, and asides from the odd Tupac light show, hasn’t really manifested itself as anything remotely useful. The US Army has found an application for the technology however, and they are planning to use it on the battlefield to protect soldiers from harmful aerosols. […] https://3dprinting.com/military/3d-printed-holography-device-protects-soldiers-from-aerosols/