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Current issue

ELEKTRO 12/2021 was released on December 1st 2021. Its digital version will be available immediately.

Topic: Measurement, testing, quality care

Market, trade, business
What to keep in mind when changing energy providers

SVĚTLO (Light) 6/2021 was released 11.29.2021. Its digital version will be available immediately.

Fairs and exhibitions
Designblok, Prague International Design Festival 2021
Journal Světlo Competition about the best exhibit in branch of light and lighting at FOR ARCH and FOR INTERIOR fair

Professional literature
The new date format for luminaires description

Adaptable 3-D printing

14. 1. 2017 | MIT News | news.mit.edu

Three-dimensional printing technology makes it possible to rapidly manufacture objects by depositing layer upon layer of polymers in a precisely determined pattern. Once these objects are completed, the polymers that form the material are “dead” — that is, they cannot be extended to form new polymer chains.

MIT chemists have now developed a technique that allows them to print objects and then go back and add new polymers that alter the materials’ chemical composition and mechanical properties. The researchers can also fuse two or more printed objects together to form more complex structures.

Adaptable 3-D printing

This technique could greatly expand the complexity of objects that can be created with 3-D printing. One limitation of this technique is that the organic catalyst requires an oxygen-free environment. The researchers are now testing some other catalysts that have been reported to catalyze similar polymerizations but can be used in the presence of oxygen.

Read more at MIT News

Image Credit: Demin Liu, Jeremiah Johnson

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