A fascinating leap in technology using Femtosecond lasers to "project" an image in midair via plasma.
Imagine the use cases here visually, but maybe even audibly, some day? If you can excite the air like we do now but via lasers that are safe to touch why can't it be modulated and emit sound?
https://spectrum.ieee.org/femtosecond-lasers-create-3d-midair-plasma-displays-you-can-touch
Imagine the use cases here visually, but maybe even audibly, some day? If you can excite the air like we do now but via lasers that are safe to touch why can't it be modulated and emit sound?
https://spectrum.ieee.org/femtosecond-lasers-create-3d-midair-plasma-displays-you-can-touch
