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Current issue

ELEKTRO 7/2021 was released on October 1st 2021. Its digital version will be available on November 1st 2021.

Topic: Power engineering; Electricity quality; Renewable Energy

Main article
Local specifics of South-Bohemian region regarding usage of alternative fuel cars

SVĚTLO (Light) 4-5/2021 was released 9.17.2021. Its digital version will be available 9.17.2021.

Lighting installations
Lighting reconstruction of underpass and platforms of Ústí nad Orlicí railway station

Public lighting
The lighting of park at Episcopal Residence of Ostrava-Opava in Ostrava
Outdoor lighting systems and intrusive light
Generel of public lighting 9th part
Environmental viewpoint

SpaceX’s new test rocket briefly hovers during first free flight

26. 7. 2019 | The Verge | www.theverge.com

SpaceX launched a test version of its next big rocket from Texas, sending the vehicle hovering in the air for a few seconds before it landed back on the ground. The hardware didn’t get very high, but it was the first time the test vehicle flew detached from the ground, powered by SpaceX’s next-generation rocket engine.

The vehicle is a test prototype of SpaceX’s future, Starship rocket. Starship is the company’s most ambitious vehicle concept yet: it’s a fully reusable design intended to send cargo and people to deep space destinations like the Moon and Mars. Similar to SpaceX’s Falcon 9 rockets, Starship is supposed to land upright — on Earth or on distant worlds — and then be able to take off again.

SpaceX rocket

Starship still has a long way to go before it even gets to space, let alone lands on another planet. First, SpaceX wants to validate the basic design of the vehicle as well as its newly developed main engine, the Raptor. That’s what this test was all about. Thanks to a single Raptor engine mounted on its base, the Starship test vehicle briefly flew above SpaceX’s facility in Boca Chica, Texas, moved sideways, and then landed upright.

Read more at The Verge

Image Credit: SpaceX

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