Lightning is one of the major causes of poor performance by medium-voltage overhead lines in distribution networks. On some Eskom medium-voltage networks, for example, up to 78% of equipment failures ...
South Africa has an extensive medium-voltage overhead line electric distribution network supported mainly by wood poles. The predominant voltage is 22 kV between phases. Some of the lines traverse ...
Like a high-tech hammer of Thor, a powerful laser can grab hold of a lightning bolt and reroute its path through the sky. In a mountaintop experiment, such a laser bent lightning toward a lightning ...
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