In that sense it still is the old form. It carries it's fuel (and they call solar cells and batteries fuel) on board. All is the same. That's what I wanted to point out.
They directed a laser beam at photaic cells? Nice other name than solar panel. OK, the laser powered plain flies as long a laser hits it. But still the plain is carrying it fuel (photaic cell aka solar panel) on board, as meantion in the introduction. This is no breakthrough but rather a toy for big children.
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Have you read the article. It starts with:
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In that sense it still is the old form. It carries it's fuel (and they call solar cells and batteries fuel) on board. All is the same. That's what I wanted to point out.
They directed a laser beam at photaic cells? Nice other name than solar panel. OK, the laser powered plain flies as long a laser hits it. But still the plain is carrying it fuel (photaic cell aka solar panel) on board, as meantion in the introduction. This is no breakthrough but rather a toy for big children.