Nature's Filter

It was the night before the science fair, and my room in Srinagar was a total mess of papers and wires. But right in the middle stood our masterpiece: a giant red observation lens. I wiped my forehead...

Mohd Hussain AnsariMohd Hussain Ansari is a Class 8 student and inventor from Srinagar, studying in class 8th and his brother Hamza in class 6th in APS. This book shares his true adventure building a natural water purifier for the CSIR Award with his brother.