2D image in the air
Heliodisplay (from IO2 Tech) realizes a 2D image in the air to sizes 30 inches diagonally.
Viewing in direct sunlight is not possible. The image is still only 2D - i.e. flat.
But viewing does not require any special additional devices or glasses.
upd. video
www.io2technology.com/media/M3-helio_1.wmv
source
www.io2technology.com
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Source: https://habr.com/ru/post/6904/
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