Hidden Alarm Hands-On Challenge

Lauren Feinberg

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Hidden Alarm Hands-On Challenge

机译：隐藏的警报动手挑战

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Even practical jokes require some engineering! In the Hidden Alarm activity from Design Squad™ Nation, kids are challenged to design and build a circuit to power an alarm that's small enough to hide... that can be used to surprise others!

机译：即使是实际的笑话也需要一些工程！在Design Squad™Nation的“隐藏警报”活动中，孩子们将面临挑战，他们需要设计和建造一个电路来为警报供电，该警报足够小以至于隐藏起来……可以使其他人惊讶！

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《The Technology Teacher》 |2012年第5期|p.20-22|共3页
作者
Lauren Feinberg;
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1. Burglar Alarm: A Simple Circuit Hands-On Experiment [J] . Bayram Akarsu European Journal of Physics Education . 2011,第2期

机译：防盗警报：简单的电路动手实验
2. Burglar Alarm: A Simple Circuit Hands-On Experiment [J] . Bayram Akarsu European Journal of Physics Education . 2011,第2期

机译：防盗警报：简单的电路动手实验
3. The challenge of localizing vehicle backup alarms: Effects of passive and electronic hearing protectors, ambient noise level, and backup alarm spectral content [J] . Khaled A Alali, John G Casali Noise and Health . 2011,第51期

机译：定位车辆备用警报的挑战：无源和电子听力保护器的影响，环境噪声水平以及备用警报频谱内容
4. Detection and identification of explosives hidden under barrier materials: what are the THz-technology challenges? Detection and identification of explosives hidden under barrier materials: what are the THz-technology challenges? Detection and identification of explosives hidden under barrier materials: what are the THz-technology challenges? [C] . Arthur D. van Rheenen and Magnus W. Haakestad Conference on detection and sensing of mines, explosive objects, and obscured targets . 2011

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5. Divine hiddenness and the challenge of inculpable nonbelief. [D] . Sokoloski, Matthew Ryan. 2012

机译：神的隐藏和难以置信的不信的挑战。
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7. The challenge of localizing vehicle backup alarms: Effects of passive and electronic hearing protectors, ambient noise level, and backup alarm spectral content [O] . Khaled A Alali, John G Casali 2011

机译：本地化车辆备用警报的挑战：被动和电子听力保护器的效果，环境噪声水平和备用警报频谱内容

Hidden Alarm Hands-On Challenge

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