and to put some scale to that, if you had a nanoparticle that was one nanometer thick, and you put it side by side, and you had 50,000 of them, you'd be the width of a human hair.
Ca să-i dăm o proporție, dacă ai avea o particulă cu grosimea de 1 nanometru și ai face un șir din 50.000 astfel de particule, ai obține grosimea unui fir de păr.