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 "Sustainability"

Tiny device can scavenge wind energy from the breeze you make when you walk

25.09.2020 | Tech Xplore | www.techxplore.com

Most of the wind available on land is too gentle to push commercial wind turbine blades, but now researchers in China have designed a kind of "tiny wind turbine" that can scavenge wind energy from…

... celý článek

Tiny device can scavenge wind energy from the breeze you make when you walk

Velcro-like food sensor detects spoilage and contamination

11.09.2020 | MIT | www.mit.edu

MIT engineers have designed a Velcro-like food sensor, made from an array of silk microneedles, that pierces through plastic packaging to sample food for signs of spoilage and bacterial contamination.

... celý článek

Velcro-like food sensor detects spoilage and contamination

Producing leather-like materials from fungi

09.09.2020 | Phys.org | www.phys.org

Traditional leather and its alternatives are typically obtained from animals and synthetic polymers. Leather can be considered a co-product of meat production with both livestock farming and the…

... celý článek

Producing leather-like materials from fungi

Wool-like material can remember and change shape

04.09.2020 | SEAS | www.seas.harvard.edu

As anyone who has ever straightened their hair knows, water is the enemy. Hair painstakingly straightened by heat will bounce back into curls the minute it touches water. Why? Because hair has shape…

... celý článek

Wool-like material can remember and change shape

Improved wearable, stretchable gas sensor using nanocomposites

28.08.2020 | Penn State | www.psu.edu

A stretchable, wearable gas sensor for environmental sensing has been developed and tested by researchers at Penn State, Northeastern University and five universities in China.

... celý článek

Improved wearable, stretchable gas sensor using nanocomposites

New technique to capture CO2 could reduce power plant greenhouse gases

24.07.2020 | University of California, Berkeley | www.berkeley.edu

A big advance in carbon capture technology could provide an efficient and inexpensive way for natural gas power plants to remove carbon dioxide from their flue emissions, a necessary step in reducing…

... celý článek

New technique to capture CO2 could reduce power plant greenhouse gases

Chemists make tough plastics recyclable

22.07.2020 | MIT | www.mit.edu

Thermosets, which include epoxies, polyurethanes, and rubber used for tires, are found in many products that have to be durable and heat-resistant, such as cars or electrical appliances. One drawback…

... celý článek

New thin-film technology uses sustainable components for solar panels

26.06.2020 | Phys.org | www.phys.org

Commercialized thin-film solar panels on the market consist of rare-earth elements like indium and gallium, or highly toxic metals like cadmium. Both of these thin-film solar panel types have their…

... celý článek

New thin-film technology uses sustainable components for solar panels

Researchers make next-generation, high-toughness battery component

19.06.2020 | Brown University | www.brown.edu

A team of Brown University researchers has found a way to double the toughness of a ceramic material used to make solid-state lithium ion batteries. The strategy, described in the journal Matter,…

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Researchers make next-generation, high-toughness battery component

Saudi scientists have created spherical solar panels

15.06.2020 | Archyde | www.archyde.com

The main source of energy for most spacecraft is the sun. However, to effectively collect its rays, satellites must possess not only large-area photoelectric converters, but also with special…

... celý článek

Saudi scientists have created spherical solar panels

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