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Electricity
Photo by Nuno Marques on Unsplash A bit of common sense is required when converting to solar energy products. Photovoltaic (PV) or solar cells convert sunlight into electricity. When light strikes the semiconductor material of a solar cell, it releases electrons that generate electric current. A solar panel or PV panel is a frame with...
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England SJ, Robert D. The ecology of electricity and electroreception. Biol Rev Camb Philos Soc. 2021 Oct 12. doi: 10.1111/brv.12804. Epub ahead of print. PMID: 34643022. Abstract Electricity, the interaction between electrically charged objects, is widely known to be fundamental to the functioning of living systems. However, this appreciation has largely been restricted to the...
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Source: https://news.cgtn.com/news/2021-08-01/Is-5G-a-waste-of-electricity-Experts-say-it-s-complicated-12lTM5o5r6E/index.html 01-Aug-2021 As 5G developers look desperately for a “killer app” to prove the usefulness of the superfast wireless technology, mobile carriers in China are complaining about the high energy cost of 5G signal towers. And the situation is, according to experts, more complicated than many have thought. The costly 5G 5G technology can...
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Source: https://theconversation.com/why-renewable-energy-wont-end-energy-poverty-in-zimbabwe-159008 April 29, 2021 Article by Ellen Fungisai Chipango Postdoctoral research fellow, University of Johannesburg Zimbabwe is one of the African countries that hopes renewable energy technologies will help to address their energy problems. About 42% of Zimbabwe’s households are connected to the electricity grid. The country has huge and diverse renewable energy potential. Its sustainable...
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E.F. Chipango, Constructing, understanding and interpreting energy poverty in Zimbabwe: A postmodern perspective, Energy Research & Social Science, Volume 75, 2021, 102026, ISSN 2214-6296,https://doi.org/10.1016/j.erss.2021.102026. Abstract Energy poverty is well acknowledged in the global public and scholarly discussions. Nonetheless, it is habitually analysed in isolation from the discourse through which it is framed, produced, represented and...
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Source: The Conversation https://theconversation.com/nikola-tesla-5g-network-could-realise-his-dream-of-wireless-electricity-a-century-after-experiments-failed-158665 April 9, 2021 Authors Elena Gaura Associate Dean for Research, Coventry University James Peter Brusey Professor of Computer Science, Coventry University At the height of his career, the pioneering electrical engineer Nikola Tesla became obsessed with an idea. He theorised that electricity could be transmitted wirelessly through the air at long...
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Bloomberg 27 March 2021 https://mybroadband.co.za/news/energy/391091-south-africa-will-pay-r218-billion-for-electricity-from-powerships-csir.html Karpowership, a unit of the Turkish Karadeniz Energy Group, is on track for its longest contract to date to supply power from vessels to South Africa in a deal worth as much as R218 billion ($15 billion). The company that advertises a “fast, flexible, reliable” solution of floating electricity generation was named...
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Western nations have long steered the global standards for nearly every modern product. China now wants to grab the wheel. https://t.co/WaFFU21z6h— The Wall Street Journal (@WSJ) February 7, 2021 By Valentina Pop, Sha Hua and Daniel Michaels Feb. 7 Nearly every product in American homes, from lightbulbs to couches, windows and Wi-Fi routers, conforms to standards and measurements of...
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Jamie McKane 18 August 2020 South Africa could be stuck with load-shedding until at least 2025 due to Eskom’s continued problems with generation capacity and inability to properly maintain its infrastructure. This is according to energy expert Ted Blom, who told MyBroadband that he concurs with the recent findings published by the CSIR regarding the...
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Source: https://www.dailymaverick.co.za/article/2020-08-13-proposal-for-turkish-company-to-anchor-floating-power-stations-off-sa-harbours-raises-alarm-bells/ By Tony Carnie 13 August 2020 Under cover of the Covid-19 crisis, government and private officials appear to be using legal loopholes to speed up a proposal by a Turkish company and local empowerment partners to sail a small armada of “floating power stations” into South African harbours. While the red flag has been...
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