过去在学校里逃避责任曾经如此容易。毕竟，老师总是背对着学生在黑板上写字！但随后，一种此前主要用于军事目的的技术出现了——投影仪。它将远远超越仅仅改变学生们的纪律记录。
It used to be so easy to get away with things in school. The teacher, after all, was always turned around writing at the chalkboard! But then came a bit of technology, previously mostly used for military purposes, called the overhead projector. It would change far more than just the disciplinary record of students everywhere.
在本期节目中，我们讲述了投影仪的故事。大卫·皮尔斯邀请了《The Verge》的杰克·卡斯特雷纳克斯和斯坦福大学教授安特罗·加西亚，共同讨论投影仪是如何被研发的，如何进入课堂的，以及它如何深刻改变了孩子们的学习方式。…
In this episode of , we tell the story of the overhead projector. David Pierce is joined by 's Jake Kastrenakes and Stanford professor Antero Garcia to discuss how overhead projectors were developed, how they made their way into classrooms, and how they changed so much about the way kids learn. …