Zech (The ADVENT Group of Colorado Springs, CO) noted optical storage technology expert, a new commercial optical storage technology using UV light would probably have to be in the 200 nm range and would provide storage capacities of over 100 GB in a single layer.

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While lunar daytime lasts around two weeks, and it may be possible to funnel this light into greenhouses, the current limits of solar storage technology are incapable of sustaining artificial light for the equally long lunar night, even with one of these guys helping out.

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Currently the SPR is the fullest it has ever been, with 727 million barrels of mostly light, sweet crude in storage.

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