3-D printers can be used to make a variety of useful objects by building up a shape, layer by layer. Scientists have used this same technique to "bioprint" living tissues, including muscle and bone.
General Physics
Jun 4, 2019
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125
Commercial laser printers typically produce pin-sharp images with spots of ink about 20 micrometers apart, resulting in a resolution of 1,200 dots per inch (dpi). By shrinking the separation to just 250 nanometers—roughly ...
Nanophysics
Apr 11, 2013
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0
Since its invention around 100 B.C. in China, paper as a material for spreading information has greatly contributed to the development and spread of civilization. Even in today's information age, with electronic media omnipresent ...
Nanomaterials
Mar 1, 2017
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23
3-D printers working in the millimeter range and larger are increasingly used in industrial production processes. Many applications, however, require precise printing on the micrometer scale at a far higher speed. Researchers ...
Materials Science
Feb 5, 2020
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13
How does your phone know it's you when you use facial recognition to unlock it? An array of tiny lasers light up your face, and your phone uses the reflection to construct a 3D model—not unlike a topographical map of your ...
Optics & Photonics
Dec 12, 2022
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9
3D printers form objects by layering melted plastic or metal, but this only works on large scales. What you need to fabricate microdevices for which the layering step is not feasible? What if it were possible to print directly ...
Optics & Photonics
May 10, 2023
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20
Lasers in conventional laser printers for paper printouts are very small. 3D laser printers for 3-dimensional microstructures and nanostructures, by contrast, have required big and expensive laser systems so far. Researchers ...
Optics & Photonics
Nov 30, 2021
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63
Japanese high-tech giant Canon said Tuesday it would build a laser-printer factory in the Philippines in anticipation of strong growth in global demand.
Business
Jan 31, 2012
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0
German scientists at the TU Darmstadt have developed semiconductor lasers that emit light over a wavelength range of 100 nm, a new world record for a single semiconductor laser. Such lasers might allow more efficient, lower-cost ...
General Physics
Aug 21, 2012
1
0
3-D printing by direct laser writing produces micrometer-sized structures with precisely defined properties. Researchers of Karlsruhe Institute of Technology (KIT) have now developed a method to erase the ink used for 3-D ...
Materials Science
May 2, 2017
0
4
