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DIGITAL SUNDIALS ON THE INTERNET, A NEW WAY OF USING ANCIENT TECHNOLOGY

机译:互联网上的数字日DI,使用古代技术的新途径

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摘要

The sundial is one of the oldest scientific instru-ments; its principle is simple: a gnomon casts a shadow based on the Sun's position. By recording the position of the gnomon's shadow, one can track the motion of the Sun across the sky. While sundials have typically been used as a way to gauge the passage of time, they remain a useful pedagogical tool since it shows unexpected (to the student) details about the Sun's motion across the sky. We have built a sundial and put it on the interne. By storing pictures on a website of the gnomon's 1 shadow taken at regular intervals, teachers can present data about the Sun's motion across the sky so fast that it can match any student's attention span (Figure 1). Students all the way from the University and College level to the Elementary School level can learn aspects of space and astronomy, from the comfort of the classroom and without having to monitor home-made apparatus out of doors from dawn till dusk.
机译:日d是最古老的科学仪器之一。它的原理很简单:地精会根据太阳的位置投射阴影。通过记录gnomon阴影的位置,可以跟踪太阳在天空中的运动。虽然通常使用日di来衡量时间的流逝,但日remain仍然是一种有用的教学工具,因为它向学生展示了有关太阳在天空中运动的意外细节(对学生而言)。我们建立了一个日d并将其放在互联网上。通过将有规律的时间间隔的照片存储在gnomon 1阴影的网站上,教师可以非常快速地呈现有关太阳在天空中运动的数据,以使其与任何学生的注意力范围相匹配(图1)。从大学和学院级别到小学级别的所有学生都可以从舒适的教室中学习空间和天文学的各个方面,而不必从黎明到黄昏监视室外的自制仪器。

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