An experiment performed in Massachusetts utilized 20 people with various sensors attached to their arms.
ɐn ɛkspˈɛɹɪmənt pɚfˈɔːɹmd ɪn mˌæsɐtʃˈuːsɪts jˈuːɾɪlˌaɪzd twˈɛnti pˈiːpəl wɪð vˈɛɹiəs sˈɛnsɚz ɐtˈætʃt tə ðɛɹ ˈɑːɹmz.