producing the same lumins as it does now, how would that affect us? We wouldn't have the effects of solar fluctuations and solar storms. Apart from that, would the difference be incidental or profound? Would earth be a frozen lump, because the sun produced little or no heat, or would we be warmed by the absorption of light energy just as we are now? Could an LED produce the full spectrum of energy that sustains life, causes sunburn, etc.?
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