The lateral thinking method refers to a way of using ideas, knowledge, or methods from other fields to find possible ways and ideas to solve a problem in the field. Based on the above definition, which of the following options does not use a lateral thinking method? ['Grasse proposed the idea of a bubble chamber by observing the phenomenon of beer bubbling.', 'Luban invented the saw by scratching his fingers with thatched fine teeth.', 'Austrian doctor Ornbrugg, inspired by tapping on a barrel to know how much wine is in the barrel, came up with a "percussion" method to diagnose whether there is stagnant water in the human chest.', 'Curie discovered the natural radioactive element radium based on the blue light seen in the laboratory.']