Solar Power: How Sustainable is Stored Sunlight?
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Wie is ons? Boere of Afrikaners? Antwoord van Dr Mike Du Toit
Ek het iemand gehad wat aan my geskryf het oor die onderwerp van Boere teenoor Afrikaners. Ek het besluit om Dr. Mike Du Toit te nader, wat die leier van die Boeremag was en ‘n professionele akademikus is wat baie goed ingelig is oor ons geskiedenis, om hierdie vraag te beantwoord. Dr. Du Toit weet nie net van ons geskiedenis in Suid-Afrika nie, maar ook van ons geskiedenis in Europa. Hier is sy antwoord.
Wie is ons? Boere of Afrikaners? Antwoord van Dr Mike Du Toit
Ek het iemand gehad wat aan my geskryf het oor die onderwerp van Boere teenoor Afrikaners. Ek het besluit om Dr. Mike Du Toit te nader, wat die leier van die Boeremag was en ‘n professionele akademikus is wat baie goed ingelig is oor ons geskiedenis, om hierdie vraag te beantwoord. Dr. Du Toit weet nie net van ons geskiedenis in Suid-Afrika nie, maar ook van ons geskiedenis in Europa. Hier is sy antwoord.
One of the constraints of solar power is that it is not always available: it is dependent on daylight hours and clear skies. In order to fill these gaps, a storage solution or a backup infrastructure of fossil fuel power plants is required — a factor that is often ignored when scientists investigate the sustainability of PV systems.
Whether or not to include storage is no longer just an academic question. Driven by better battery technology and the disincentivization of grid-connected solar panels, off-grid solar is about to make a comeback. How sustainable is a solar PV system if energy storage is taken into account?
Picture: Tesla’s lithium-ion home storage system.
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White Shop: Viking Cross Clover leaf cross found in gold on Sjlland
The three-clover shaped at the end of the cross arms symbolizes the trinity. The cross became a religious symbol in Denmark at the time Christianity became the state religion.
White Shop: Viking Cross Clover leaf cross found in gold on Sjlland
The three-clover shaped at the end of the cross arms symbolizes the trinity. The cross became a religious symbol in Denmark at the time Christianity became the state religion.
