電極
advice
analyzing
board
brain
brainstorm
caucasian
cerebrum
circuit
components
concentration
concept
crazy
creator
detector
development
education
electronic
experiment
glasses
helmet
humor
idea
industry
information
innovation
invention
inventor
iron
laboratory
liar
lie
looking
men
people
physic
polygraph
printed
professor
psychiatrist
research
science
scientific
scientist
smoke
soldering
teacher
test
university
wire