KABUL (Pajhwok): An Afghan youth, who invented a solar water heater, claimed on Sunday he had received threats over the phone from unknown people after his invention.
Wali Jan Sherzad, 33, a resident of Sherzad district of eastern Nangarhar province, who currently lives in Pul-i-Charkhi area on the eastern outskirts of Kabul City, has invented a water heater that can boil 100 litres of water in less than two hours.
He made the heater with the help of . . .
