Blue Sky Science: Why is light faster than sound?
Автор: Morgridge Institute for Research
Загружено: 2017-12-04
Просмотров: 118
Описание:
Light and sound are very different. Sound is actually a mechanical disturbance through air or another medium. Sound always needs a medium to travel through and the type of medium determines its speed.
Blue Sky Science is a weekly Q&A series that gives children and adults a forum to pose curiosity-driven, blue-sky questions about science. See more episodes: https://goo.gl/SC84AC
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