Academics show how to create a spotlight of sound with LEGO-like bricks

Informatics experts create low-cost directional beams of sound. Using age-old principles of magnifying glasses, lighthouses and telescopes to create state-of-the-art sound. Bringing the vision of Minority Report into reality and transforming possibilities of entertainment industry.

from Top Technology News -- ScienceDaily http://bit.ly/2H52D08