média navazující na tradici české odborné literatury

Vydavatel časopisů
ELEKTRO a SVĚTLO

Aktuální vydání

Číslo 12/2021 vyšlo tiskem 1. 12. 2021. V elektronické verzi na webu ihned.

Téma: Měření, zkoušení, péče o jakost

Trh, obchod, podnikání
Na co si dát pozor při změně dodavatele energie?

Předchozí vydání

Rejstřík ELEKTRO 2012 až 2015

Číslo 6/2021 vyšlo tiskem
29. 11. 2021. V elektronické verzi na webu ihned.

Aktuality
Poslední zasedání redakční rady časopisu Světlo?
Ing. Jiří Novotný šéfredaktorem časopisu Světlo od jeho založení

Z odborného tisku
Nový datový formát pro popis svítidel

Předchozí vydání

Rejstřík SVĚTLO 2012 až 2015

Štítek "Efficiency"

MIT engineers fly first-ever plane with no moving parts

23.11.2018 | MIT | www.mit.edu

Since the first airplane took flight over 100 years ago, virtually every aircraft in the sky has flown with the help of moving parts such as propellers, turbine blades, and fans, which are powered by…

... celý článek

MIT engineers fly first-ever plane with no moving parts

Cotton-based hybrid biofuel cell could power implantable medical devices

16.11.2018 | Phys.org | www.phys.org

A glucose-powered biofuel cell that uses electrodes made from cotton fiber could someday help power implantable medical devices such as pacemakers and sensors. The new fuel cell, which provides twice…

... celý článek

Cotton-based hybrid biofuel cell could power implantable medical devices

New material could improve efficiency of computer processing and memory

23.08.2018 | University of Minnesota | twin-cities.umn.edu

A team of researchers led by the University of Minnesota has developed a new material that could potentially improve the efficiency of computer processing and memory. The findings are published in…

... celý článek

New material could improve efficiency of computer processing and memory

University of Twente Boosts Efficiency of Solar Fuels Using Microwires

16.01.2018 | University of Twente | www.utwente.nl

Researchers at the University of Twente’s MESA+ research institute have made significant efficiency improvements to the technology used to generate solar fuels. This involves the direct conversion of…

... celý článek

University of Twente Boosts Efficiency of Solar Fuels Using Microwires

New Type of Smart Windows Use Liquid to Switch from Clear to Reflective

13.12.2017 | The Optical Society | www.osa.org

Researchers have demonstrated prototype windows that switch from reflective to clear with the simple addition of a liquid. The new switchable windows are easy to manufacture and could one day keep…

... celý článek

New Type of Smart Windows Use Liquid to Switch from Clear to Reflective

This Hybrid Electric Jet is Preparing for Takeoff in 2022

07.11.2017 | IEEE Spectrum | spectrum.ieee.org

The aviation industry has made steady progress in cutting its fuel use and carbon emissions. Planes have become lighter, engines more efficient, and airlines are starting to use biofuel blends and to…

... celý článek

This Hybrid Electric Jet is Preparing for Takeoff in 2022

High-temperature device that produces electricity from industrial waste heat

14.06.2017 | MIT News | news.mit.edu

Glass and steel makers produce large amounts of wasted heat energy at high temperatures, but solid-state thermoelectric devices that convert heat to electricity either don’t operate at high enough…

... celý článek

High-temperature device that produces electricity from industrial waste heat

Wood filter removes toxic dye from water

24.04.2017 | University of Maryland | www.mse.umd.edu

Engineers at the University of Maryland have developed a new use for wood: to filter water. Liangbing Hu of the Energy Research Center and his colleagues added nanoparticles to wood, then used it to…

... celý článek

Wood filter removes toxic dye from water

Organic solar cells with increased transparency and efficiency

08.03.2017 | TechXplore | www.techxplore.com

Researchers developed a semi-transparent organic solar cell that achieves better efficiency and transparency than existing ones.

... celý článek

Organic solar cells with increased transparency and efficiency

New Technology for Fast-Charging, Noncombustible Batteries

01.03.2017 | The University of Texas at Austin | news.utexas.edu

A team of engineers led by 94-year-old John Goodenough, professor in the Cockrell School of Engineering at The University of Texas at Austin and co-inventor of the lithium-ion battery, has developed…

... celý článek

New Technology for Fast-Charging, Noncombustible Batteries

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