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SweetFreedom Posted 12 years ago
Grammar
Directing the device at a thin layer of oil?
What does the device refer to? The machine on which "the method is being used"?
Context:
The method uses ultrasound, which is focussed onto hands above the device and that can be felt. By focussing complex patterns of ultrasound, the air disturbances can be seen as floating 3D shapes. Visually, the researchers have demonstrated the ultrasound patterns by directing the device at a thin layer of oil so that the depressions in the surface can be seen as spots when lit by a lamp.
The system generates an invisible 3D shape that can be added to 3D displays to create something that can be seen and felt. The research team have also shown that users can match a picture of a 3D shape to the shape created by the system.
Dr Ben Long, Research Assistant from the Bristol Interaction and Graphics (BIG) group in the Department of Computer Science, said: "Touchable holograms, immersive virtual reality that you can feel and complex touchable controls in free space, are all possible ways of using this system.
"In the future, people could feel holograms of objects that would not otherwise be touchable, such as feeling the differences between materials in a CT scan or understanding the shapes of artefacts in a museum."
More:
http://www.sciencedaily.com/releases/2014/12/141202123846.htm
Context:
The method uses ultrasound, which is focussed onto hands above the device and that can be felt. By focussing complex patterns of ultrasound, the air disturbances can be seen as floating 3D shapes. Visually, the researchers have demonstrated the ultrasound patterns by directing the device at a thin layer of oil so that the depressions in the surface can be seen as spots when lit by a lamp.
The system generates an invisible 3D shape that can be added to 3D displays to create something that can be seen and felt. The research team have also shown that users can match a picture of a 3D shape to the shape created by the system.
Dr Ben Long, Research Assistant from the Bristol Interaction and Graphics (BIG) group in the Department of Computer Science, said: "Touchable holograms, immersive virtual reality that you can feel and complex touchable controls in free space, are all possible ways of using this system.
"In the future, people could feel holograms of objects that would not otherwise be touchable, such as feeling the differences between materials in a CT scan or understanding the shapes of artefacts in a museum."
More:
http://www.sciencedaily.com/releases/2014/12/141202123846.htm
Top answer
As far as I can gather, the "device" is the equipment that generates and focuses the ultrasound.
- As far as I can gather, the "device" is the equipment that generates and focuses the ultrasound.
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6 Answers
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As far as I can gather, the "device" is the equipment that generates and focuses the ultrasound.
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SweetFreedom Does it say the device uses oil to produce a thin layer?No, it says that the device is directed at (= pointed at) a thin layer of oil. The thin layer of oil is presumably produced by some other process.
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SweetFreedom Does it say the device uses oil to produce a thin layer?No. You're misinterpreting something. You can't separate "a thin layer" from "of oil". Your question is anomalous in that way.
A thin layer of oil is a small amount of oil that is spread over an entire surface of some kind, somewhat like a layer of frosting on a cake.
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SweetFreedom it says "Ultrasound is focused to create the shape of a virtual sphere." Is the sphere made of oil?Yes. I know what it says. Or rather, what is doesn't say. I read the article. I saw the picture. To be honest, the article does not explain in any detail or with any accuracy how the device works. It may be that this is, in fact, just how the
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