detect – v. to discover or notice something
vibration – n. a continuous, quick, shaking movement
frequency – n. the number of times a wave, especially of light, sound or radio wave, is produced within a particular period
steady – adj. happening in a smooth, continuous way
constant – adj. happening a lot or all the time
tone – n. a sound with a definite pitch and vibration
eerie – adj. strange in a mysterious way
flare – n. a sudden increase in brightness
bubble – n. an enclosed or isolate space
