The 3D projections that boyant in a air

A colour laser and dirt particles are being used to emanate images that boyant in a air.

Researchers during Brigham Young University nicknamed it a Princess Leia plan – desirous by a projection in a strange Star Wars film, nonetheless now a images are most smaller than in a film.

BBC Click finds out more.

See some-more during Click’s website and @BBCClick.

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