ukuran minimum
Foto graphene
5784x3600px
graphene, teknologi, 2d, sains, atom, karbon, material, energi, konduktivitas, peralatan penerangan
Public Domain
1920x1080px
ilustrasi dna, carbon nanotube, bucky, graphene, struktur, atomic, carbon, fullerene, 3d, pendidikan
Public Domain