बिना कैमरा वाला iPhone! कीमत सुनकर दंग रह जाएंगे, जानें आखिर कहां होता है इनका इस्तेमाल

These “smart” crystals bend and snap back when hit with light

Stanford scientists create shape-shifting material that changes color and texture like an octopus

Scientists turn MXene into tiny nanoscrolls that supercharge batteries and sensors

March of the Harmattan – NASA Science