더 크게, 900배 확대해보면, 거기에 털들이 있는데, 작은 털들이죠. 그걸 자세히 보면 그 작은 털들에도 줄무늬가 있습니다. 이걸 30,000배 확대하면, 각 털 끝이 두 갈래로 나눠져 있습니다.
And if you blow that up, and zoom in 900 times, you see there are hairs there, tiny hairs. And if you look carefully, those tiny hairs have striations. And if you zoom in on those 30,000 times, you'll see each hair has split ends.