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How Sensors Work - Christensen, Victoria G
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"Have you ever seen lights turn on automatically when you step into a restroom? This curricular, STEM-focused title will explore how robotic sensors can help save energy, keep people safe, and make life more convenient."--

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Produktbeschreibung
"Have you ever seen lights turn on automatically when you step into a restroom? This curricular, STEM-focused title will explore how robotic sensors can help save energy, keep people safe, and make life more convenient."--
Autorenporträt
Victoria G. Christensen is a geologist and a hydrologist with over 20 years of experience, who writes on a variety of scientific and engineering topics for children. She lives in Fargo, North Dakota, with her husband and three great kids.