Author: Papiya Dutta

What is an Archimedes’ screw Archimedes’ screw is an ancient contraption to pump water up an altitude. The screw finds applications to this day. It consists of a cylindrical shaft around which, a helical surface is wound. The entire arrangement is kept inside a hollow tube. When the setup is kept inclined over a water surface,…

What is a Ruben’s tube A Ruben’s Tube is Physics apparatus to demonstrate the pressure waves formed by sound while travelling in a gaseous medium.