Did you say "nano"? It's often difficult to imagine a grain of matter at the nanoscale: a billionth of a metre. To get an idea of this, let's point out that the size ratio between planet Earth and an orange is similar to that between an orange
PlusDid you say "nano"? It's often difficult to imagine a grain of matter at the nanoscale: a billionth of a metre. To get an idea of this, let's point out that the size ratio between planet Earth and an orange is similar to that between an orange
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