무료 동영상 감상 Harvard’s Ionic Gel Speakers are Stretchable
애니메이션 설명:
The transparent ionic gel speaker consists of a thin sheet of rubber sandwiched between two layers of a saltwater gel, and it’s as clear as glass.
The transparent ionic gel speaker consists of a thin sheet of rubber sandwiched between two layers of a saltwater gel, and it’s as clear as glass.