Water, Sewage & Effluent September October 2018 | Page 37

that he was sitting in the presence of a lesser mind, so he quickly adds: “It’s pretty simple actually,” which doesn’t make me feel any better about myself. But it’s not about me; it’s about the amazing minds of our youth. Kwazi is a prime example of how young, flexible minds are leading the way; how we ‘oldies’ can learn from them, and how it is our obligation to support them as they reach for the stars we can now only dimly see. u   *Two students from Singapore, Caleb Liow Jia Le and Johnny Xiao Hong Yu, won the 2018 Stockholm Junior Water Prize for producing reduced graphene oxide — a material that can be used to purify water from agricultural waste products. Water Sewage & Effluent September/October 2018 35 innovations Department of Water and Sanitation. The water from air device was inspired after noticing condensation on the outside of a bottle that he’d removed from the fridge, which made him think that the atmosphere must be full of water. “There is a company in medicine that estimates that there is about 140-quadrillion litres of water in the atmosphere,” he says and adds, “now there could be more than that, as that is old information.” Of course it is, I think to myself, making a mental note to look this up ... Kwazi goes into fine detail explaining how the device works, with semi-conductors and coils and condensation and heat seals and thermo energy coolers and dissipation and … But my glazed look must have alerted him to the fact projects,” the young whizz kid shares. After winning a Provincial Science competition and then the National one as well, Kwazi’s water project started drawing attention. He quickly adds, lest I am not sufficiently impressed and my stunned face appears impassive: “Oh and this year I made a breath analyser system for a car, so when the driver is drunk, the car won’t start … and I also designed an ultrasonic sensor system that allows a car to park itself.” Really? I briefly think back to my youth and recall sitting in a Zimbabwean tree at round about his age, eating mazhanjes. Ah the youth, how they have evolved … Kwazi’s claim to fame is his project ‘Rainmaker’, a machine that converts air to water, which he initially entered in a science competition run by the Kwazi’s invention, full of coils and semi-conductors and and and …