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Emmiting Light

Emmiting Light

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Fun Things to do

Kids and Tech

Tutorial

儿童

教育

灯光

视频说明

In this O Wow Moment Video from the Children's Museum of Houston, we explore how LEDs work and how you can make a simple flashlight using an LED, some self-adhesive foam, and a battery.

分类： 热门免费线上视频标签儿童
插件 08 Feb 2017
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