认识磁力(2001)

《认识磁力》

基本信息

认识磁力原名：Discovery Understanding: Magnetism，2001年纪录片类型片，创作于美国地区，具有英语语言版本。

剧情简介

Without magnetism, we would not have music as we know and experience it today; we would not have computers, motor vehicles, compasses, or MRI scans. Magnetism literally shapes our modern-day world. Learn how magnetic forces were first discovered and how magnetism affects both humans and other animals. Explore the role of magnetism in computers, audio recording, medicine, travel...