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ELEKTRO 11/2018 was released on October 31th 2018. Its digital version will be available on November 30st 2018.

Topic: Switchboards and substations; Maintenance of electrical equipment; Rotating electrical machines and drives

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Smart Cities (part 4 – volume 1)

SVĚTLO (Light) 5/2018 was released on September 17th 2018. Its digital version will be available immediately.

Interiors lighting
Luminaire selection by the concept of interior
The unique book about interiors nowadays on market
Invitation on colloquium Interiéry 2018 – exceptional action for the seventh time

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Profesor Jiří Habel passed away – memories remain

This Water-Jet Cutter Can Slice Through Anything

16.09.2016 | IEEE Spectrum | spectrum.ieee.org

Wazer introduces the first desktop water-jet cutter, bringing CNC cutting technology out of the factory and into DIY workshops.

The company was founded by several young engineers who first met as students at the University of Pennsylvania. Water jets cut through material using a narrow, high-pressure stream of water that (typically) carries abrasive particles. While this is a standard industrial process, it’s been limited to settings where there’s plenty of room and even more money. The least expensive one starts at upwards of US $42,000.

Water-jet cutter

Industrial water jets operate at anywhere from 60,000 to 90,000 pounds per square inch (414,000 to 621,000 kilopascals). Engineers lowered the pressure so as to use off-the-shelf components from other industries. As a result, the Wazer cuts relatively slowly, but if you’re not in industrial production, this shouldn’t matter much.

The engineers at Wazer have designed their machine to run on 110 volts. Its 12-inch-by-18-inch (30-cm-by-46-cm) working bed is fully enclosed. The machine being offered on Kickstarter costs between US $3,599 and $4,499. Retail pricing will be $5,999 once the company goes into regular production late in 2017.

Read more at IEEE Spectrum

Image Credit: Kickstarter

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