일 2026년 05월 14일

An Invisible Problem Inside Everyday Plastics The plastic baby bottle used for infant formula, the cling film wrapped around a sandwich, and even the interior trim responsible for the “new car smell” may all contain trace amounts of unreacted raw…

A Counterintuitive Fact — A Pipe Can Also Be a Reactor Imagine two cooking methods. One uses a large pot where all ingredients are added together and mixed slowly with a stirring spoon, while temperature control depends heavily on operator…