Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
신경침을 사용하여 뇌의 활동을 측정할 수 있습니다.Singyeongchim-eul sayonghayeo noe-ui hwaldong-eul cheugjeonghal su itsseumnida.A neuroprobe can be used to measure brain activity.