In his talk, he talked about how people can always find alternatives especially when they are living in an area that is under a blockade where most of the necessary chemical materials for chemistry lab are not allowed to enter the city. El Sadi created a new lab which he called the green lab especially that it is environmentally friendly. He was able to replace many of the dangerous chemical materials with other available materials such as sugar, salt and glass. Through his scientific experiments, he could extract silver Nano and gold Nano easily.
