Without contemporary energy storage technologies, the long-term shift towards renewable energies is impractical. These include batteries, which are devices that temporarily store electricity as chemical energy.
GELSENKIRCHEN, Germany (AP) Schalke was plunged into more turmoil on Wednesday as the sporting director credited with its promotion back to the Bundesliga left abruptly citing personal reasons. Schalke is last in the Bundesliga and on a run of six losses in all competitions.
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