We Continue the Work of Those
Who Were the First.

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Current issue

ELEKTRO 11/2019 was released on November 6th 2019. Its digital version will be available on December 2nd 2019.

Topic: Electrical switchboards and switchboards technologies; substations

Main Article
The cause of mechanic vibration of synchronous mining engines by Palašer and its removal

SVĚTLO (Light) 5/2019 was released on September 16th 2019. Its digital version will be available immediately.

Professional organizations activities
International conference LIGHT (SVĚTLO) 2019 – 6th announcement
We participated in International commission on illumination CIE 2019 congress in Washington
Technical colloquium SLOVALUX 2019

Fairs and exhibitions
Inspire with boho styl and design of Far East at autumn fair FOR INTERIOR

This university’s library does not have a single paper book

02.09.2014 |

Bookless libraries aren't quite so far-fetched as they used to be. Florida Polytechnic University, opening for the first time this fall, features a $60 million,Santiago Calatrava-designed main building with a library that doesn't hold a single paper book within its walls. Instead, the library has space for reading, desks for doing work, and a number of desktops, laptops, and tablets readily available. It joins a small handful of universities that have opened such libraries in recent years.…

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Realistic Robo-Hawks Designed to Fly Around and Terrorize Real Birds

01.09.2014 |

Birds are nice enough, unless you work at places like airports, farms, and landfills, in which case they’re the sworn enemy. Today, there are a variety of toolsand technologies for spooking unwanted birds—we’ve graduated from scarecrows to flash-bang grenades and other sophisticated armaments—but Nico Nijenhuis is undoubtedly working on the coolest. He’s building robot hawks that trick lingering critters into thinking they’re about to get snacked on. Nijenhuis, a 27-year-old based in the…

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Watch the robot traversing the English countryside on a hoverbike

27.08.2014 |

Watch the video of a robot riding across the English countryside on a 1/3-scale model of a hoverbike. The folks at Malloy Aeronautics are hard at work on a similar full-sized vehicle for humans, but as part of its Kickstarter effort to raise funds for the project, a smaller version is offered to backers. What was originally a proof of concept piece is now a fully-operational aerial drone, and can be yours if you're willing to part with around $1,000 (£595) in support of the endeavor. For now,…

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7 Web Productivity Tools That'll Maximize Your Efficiency

26.08.2014 |

No matter what profession you’re working in, efficiency matters. Being able to get more done in less time is the key to getting ahead - whether you’re looking for abig promotion within your traditional corporate job or hoping to take your growing startup to the next level. Fortunately, with the number of tools on the market today, there’s never been a better time to take advantage of the online resources that will help you to increase the amount you’re able to accomplish. ... read more …

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No-power Wi-Fi connectivity could fuel Internet of Things reality

21.08.2014 |

University of Washington engineers have designed a new communication system that uses radio frequency signals as a power source and reuses existing Wi-Fi infrastructure to provide Internet connectivity to these devices. Called Wi-Fi backscatter, this technology is the first that can connect battery-free devices to Wi-Fi infrastructure. This work builds upon previous research that showed how low-powered devices such as temperature sensors or wearable technology could run without batteries or…

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Sensoria socks meter speed and identify injury

19.08.2014 |

Sensoria socks are infused with proprietary 100% textile sensors. They are paired with a Bluetooth Smart cool and detachable anklet that not only delivers superior accuracy in step counting, speed, calories, altitude and distance tracking, but goes well beyond that to track cadence, foot landing technique and weight distribution on the foot as you walk and run. Sensoria may help you to identifies injury-prone running styles (heel striking, overpronating, etc.), then leverages a mobile app to…

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Holographic Displays Coming to Smartphones

15.08.2014 |

At Display Week in June, Ostendo demonstrated the culmination of nine years of work, an array of eight Quantum Photonic Imager (QPI) chips in a grid projecting three spinning green dice—one seemingly floating behind the display, one at chip level, and the third in front of the chips. “Almost every display you see emits light that goes everywhere,” says Hussein El-Ghoroury, Ostendo’s CEO. “In contrast, the QPI collimates the light to a very narrow angle before emitting it, so you can emit…

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Walking Charger

13.08.2014 |

The Walking Charger allows users to charge the batteries in their mobile electronics devices anytime, anywhere – just by walking. You can charge your Smartphone battery by walking for just a single hour wearing the Walking Charger. The Walking Charger is a small device that is embedded within OEM branded footwear products. Markets include consumer, commercial work boot, recreation and military applications. With the Walking Charger, consumers have an off-the-grid capability to charge…

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Tiny Tesla

11.08.2014 |

Learn electronics, shoot lightning, and play music using electricity with tinyTesla! Also introducing oneTeslaTS, its big brother. tinyTesla is a little Tesla coil that shoots sparks, plays MIDI tracks, and exercises your soldering skills. This coil kit is designed to be easy to build and assemble for anyone with basic soldering skills. Shooting lightning and playing music using electricity itself is an exciting way to learn about physics and electronics! Read more on KickStarter 

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New Material Allows for Ultra-Thin Solar Cells

07.08.2014 |

Scientists at the Vienna University of Technology have managed to combine two semiconductor materials, consisting of only three atomic layers each. This new structure holds great promise for a new kinds of solar cell. Extremely thin, semi-transparent, flexible solar cells could soon become reality. At the Vienna University of Technology, students have managed to create a semiconductor structure consisting of two ultra-thin layers, which appears to be excellently suited for photovoltaic energy…

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In Germany photovoltaic installations generate higher profits than onshore installations – although

05.08.2014 |

A current study by the Fraunhofer Institute for Systems and Innovation Research ISI deals with the revenues and profits that can be made by photovoltaic and onshore installations in Germany. The study illustrates that there are huge differences between the two regenerative energy sources and shows that photovoltaic installations generated significantly higher profits than onshore installations until 2012 although they produced less electricity overall. The study also points out striking…

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NASA Launches Carbon-Tracking Satellite

05.08.2014 |

Delta II rocket carrying the OCO-2 satellite roared off the pad at Vandenberg Air Force Base in California. According to JPL, the OCO separated from the Delta II's second stage 56 minutes later and settled into an initial 690-kilometer-high orbit. If all goes well it will maneuver into a final 705-km orbit over the next month, putting it at the head of an international multi-satellite constellation of Earth-observing satellites known as the A-Train. OCO-2's contribution will be better…

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How Tesla’s battery ‘Gigafactory’ could change everything — not just electric cars

04.08.2014 |

Tesla announced it is cooperating with Japanese industrial giant Panasonic to development a new, US-based battery production facility. Dubbed the Gigafactory, the facility will be able to produce batteries for as many as 500,000 EVs per year by the year 2020. The scale of the production is projected to be so large, in fact, that by 2020 the Gigafactory alone would produce as much battery capacity as the entire world produced in 2013. To be sure, the impact of the Gigafactory will positively…

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Pumping efficiency into electrical motors

01.08.2014 |

University of Adelaide researchers are using new magnetic materials to develop revolutionary electrical motors and generators which promise significant energy savings.They have used the new motors to develop patented highly efficient water pump systems with potential widespread application. "In the developed world, more than 50% of all energy generated is used by electrical motors," says lead researcher Associate Professor Nesimi Ertugrul, from the University's School of Electrical and…

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British shale gas opens up

31.07.2014 |

The British government said Monday tapping into the country's shale natural gas reserves could bring substantial economic and environmental benefits. Business and Energy Minister Matthew Hancock said Monday the government must act carefully as it frees up access to shale reserves. "Unlocking shale gas in Britain has the potential to provide us with greater energy security, jobs and growth," he said in a statement. "As one of the cleanest fossil fuels, shale gas can be a key part of the UK…

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