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Exploding balloons, deformed balls, strange reflections and breaking rods: Slow motion analysis of selected hands-on experiments

机译:爆炸的气球,变形的球,奇怪的反射和断裂的杆:选定动手实验的慢动作分析

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摘要

A selection of hands-on experiments from different fields of physics, which happen too fast for the eye or video cameras to properly observe and analyse the phenomena, is presented. They are recorded and analysed using modern high speed cameras. Two types of cameras were used: the first were rather inexpensive consumer products such as Casio Exilim cameras operating at frame rates of up to 1200Hz for reduced image sizes and the second were higher quality research cameras, which allow much higher frame rates at larger image sizes. In this first article, examples are presented from exploding balloons demonstrating retardation in mechanics, karate hits, deformations associated with the bouncing of balls, strange trajectories of 'superballs' as well as the breaking of spaghetti.
机译:提出了一些来自不同物理领域的动手实验,这些动手实验发生得太快,以至于眼睛或摄像机无法正确观察和分析现象。使用现代高速相机记录和分析它们。使用了两种类型的相机:第一种是价格相对便宜的消费类产品,例如Casio Exilim相机,以高达1200Hz的帧速率运行以减小图像尺寸,第二种是较高质量的研究型相机,可以在更大的图像尺寸下实现更高的帧速率。在第一篇文章中,提供了爆炸气球的示例,这些气球演示了力学上的延迟,空手道击中,与球弹跳相关的变形,“超级球”的奇怪轨迹以及意大利面条的破裂。

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