Focus on acoustic lenses
Jun 25, 2016
Carefully-designed meta-surfaces are used to build acoustic lenses that can transmit highly focused sound waves.
Jun 25, 2016
Carefully-designed meta-surfaces are used to build acoustic lenses that can transmit highly focused sound waves.
Jun 3, 2018
Tiny loudspeakers can efficiently produce low-frequency sounds due to effects similar to the quantum physics governing atoms.