10 masterpieces of Iranian design in the world

Getting rid of the books that are no longer worth your time is very difficult and difficult. Therefore, if there is a device that can be erased, then books can be used again as an office. Such a device is designed by Mohsen Saleh. By emitting electro-magnetic rays, the device makes it into books to change the color of the pigment and turn it into their own color. This device is one of the top designs among eco-friendly designs.