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Current issue

ELEKTRO 6/2017 was released on June 7th 2017. Its digital version will be available on June 26th 2017.

Topic: Rotating el. machines; Drives and power electronics; Frequency converters; Electromobility

Main Article
Use of programmable logic devices in electric drives
Permanent-magnet DC electric machines

SVĚTLO (Light) 3/2017 was released on June 9th 2017. Its digital version will be available on July 10th 2017.

Lightning sources
Terminology of LED lighting sources 

Daylight
The day lighting of big living rooms
Light technology assessment of linear structure

3D-printed tools from the ISS are back on Earth for testing

23.02.2015 | |

We'll soon know if those wrenches the ISS astronauts 3D printed aboard the station are up to par. SpaceX's Dragon has brought the tools back to Earth, along with an assortment of experiment data and samples, on its way home from a resupply mission on February 10th. That means scientists will now be able to assess the wrenches and see if they're comparable to the real thing -- if they do, well, they're one step closer to approving 3D printers for future Mars manned missions. "For the printer's final test in this phase of operations," says space station 3D printer program manager Niki Werkheiser, "NASA wanted to validate the process for printing on demand, which will be critical on longer journeys to Mars."

The ISS astronauts used a printer specifically developed for use in microgravity, which prints objects using plastic filaments heated at lower temperatures, by a team called "Made in Space."

Read more...www.engadget.com

Image credit: NASA

 

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