In Robert MacFarland’s book Underland: A Deep Time Journey, he writes, “Only around 5% of the universe mass is made of the matter we can touch with our hands and witness with our eyes and instruments.”
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Tunnel Vision
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In Robert MacFarland’s book Underland: A Deep Time Journey, he writes, “Only around 5% of the universe mass is made of the matter we can touch with our hands and witness with our eyes and instruments.”