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