Bold claim to say these challenges will never be surmounted. Either a more-economic technology would have to mature first, or civilisation halt progress for that to be true. If scientific advances could yield miniaturised photonics that offer a significant cost/benefit over any contemporary technology the concept will still be pursued. Unless you are suggesting that it is theoretically and physically impossible?
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Bold claim to say these challenges will never be surmounted. Either a more-economic technology would have to mature first, or civilisation halt progress for that to be true. If scientific advances could yield miniaturised photonics that offer a significant cost/benefit over any contemporary technology the concept will still be pursued. Unless you are suggesting that it is theoretically and physically impossible?