Experiments | NEW version | Katsed | Экспериментов | Teadus | Elukeemia | 3D mol

Instagram

NEW! Lemon superbattery
Sidruni-KMnO4 patarei
Microbial fuel cell
Isetehtud sitapatarei - rohkem
Gallium terminator
Ga videol 2.2M vaatamist