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Star Wars holograms move a step closer: Scientists create a floating 3D image that responds to touch
Mail Online
| 11/14/2019
| Milly Vincent For Mailonline
Click For Photo: https://i.dailymail.co.uk/1s/2019/11/14/10/20994498-0-image-a-14_1573726145288.jpg
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A three-dimensional hologram-like image that users can reach out and touch has been achieved for the first time, using hundreds of silent speakers to levitate tiny particles of polystyrene.
Creating an effect much like the displays seen in science-fiction movies such as Star Wars, the technology, inspired by the movies, is a step into the imagined future.
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By controlling and shifting air pressure using the speakers the balls can be so quickly manoeuvred to trace a 3D shape that they appear to be a 3D moving image - they float in pockets of low pressure created by the ultrasound.
Ryuji Hirayama, who developed the technology after being inspired by the use of holograms or 'volumetric systems' in popular culture, called the levitation 'like magic'.
Although it is not a hologram like the technology imagined in Star Wars when Princess...
Click For Video: https://videos.dailymail.co.uk/video/backup/2019/11/14/5082351705981995323/1024x576_MP4_5082351705981995323.mp4
A three-dimensional hologram-like image that users can reach out and touch has been achieved for the first time, using hundreds of silent speakers to levitate tiny particles of polystyrene.
Creating an effect much like the displays seen in science-fiction movies such as Star Wars, the technology, inspired by the movies, is a step into the imagined future.
Researchers - University - Sussex - UK - 'hologram
Researchers at the University of Sussex, UK, built the 'hologram' producing machine from 512 speakers set into a plinth above and below where the image appears..
Ultrasound - Speakers - Balls - Polystyrene - Position
Ultrasound is emitted by the speakers, lifting tiny balls of polystyrene precisely into position by manipulating the sound waves - to 'trap the particles acoustically'.By controlling and shifting air pressure using the speakers the balls can be so quickly manoeuvred to trace a 3D shape that they appear to be a 3D moving image - they float in pockets of low pressure created by the ultrasound.
Tracing - Shape - Polystyrene - Balls - Seconds
The tracing of the 3D shape desired by the polystyrene balls must be done in less than 0.1 seconds in order for the visual effect to materialise.Ryuji Hirayama, who developed the technology after being inspired by the use of holograms or 'volumetric systems' in popular culture, called the levitation 'like magic'.
Researchers - Image - Butterfly - Wings - Earth
Researchers created the 3D moving image of a butterfly fluttering its wings along with a rotating Earth.Although it is not a hologram like the technology imagined in Star Wars when Princess...
(Excerpt) Read more at: Mail Online
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