This hologram-like device displays 3D images that you can interact with

Just like in a galaxy far, far away

A hologram.
(Image credit: DKosig/iStock)

Each week, we spotlight a cool innovation recommended by some of the industry's top tech writers. This week's pick is a communication device like those in Star Wars, brought to life.

Researchers in England are working on a 3D projection that can rival the one in "a galaxy far, far away," said Ian Sample at The Guardian. The device displays floating images that "talk and interact with onlookers," much like the communications devices imagined in Star Wars. This projector uses ultrasonic waves between two horizontal plates to levitate a small, colorful plastic bead.

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