kentroleo on Instagram: "This video demonstrates the physical behavior of a non-Newtonian fluid under pressure within a dispensing container. The Subject The substance shown is a viscous liquid, likely a flavored syrup or creamer, stored in a plastic bottle with a silicone valve seal. This valve is designed to remain closed until a specific pressure threshold is reached. The Mechanism When the bottle is squeezed, internal air pressure builds against the valve. Initially, the pressure is only suf