#video | Printed on a 3D printer glass changes color depending on the angle
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Since the 4th century ad in the jewelry business and even space exploration uses dichroic glass, which changes color depending on the angle from which you look at him. It consists of oxides of various metals and different reflecting light and this explains the unusual property of the material. Dutch scientists decided to test whether it can be used for 3D printing and will look like created objects. The result of the work they showed on the video.
The authors of the experiment were researchers from the University of Wageningen. The basis for the dichroic material is polyvinyl alcohol PVA, which is often used as a medium for 3D printing because of its wide distribution. It was added to gold nanoparticles of different sizes — a lot of the precious metal is not needed, its concentration amounted to only 0.07% of the total weight of the composite material.
Alcohol Compound and gold particles, became the raw material for printing a small Cup. As expected, he received an unusual feature of transfusions in different colors depending on which side is the light source. Initially, the Cup seems to be opaque and painted in brown color, but it is worth it to put before the light source becomes transparent and becomes purple. The effect arises from the fact that in one case the light is reflected from the gold nanoparticles and the other passes by them.
When the material will be available for use in 3D printers it will be used for printing of completely different items. For example, people will be able to print unusual jewelry, or optical lenses, which take one color, and reflect completely different. At the moment, researchers continue to experiment, adding different components for more interesting effects.
With the help of 3D printers, people are able to create not only small objects like jewelry, but to build huge buildings. Researchers from Singapore, for example, plan to use for this .
Did you Like the video? Your opinion about new material and possible ways to use it write in the comments or in !
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