Remember the weathervane or the roosters on roofs? If you grew up watching cartoons, you would know exactly what we are talking about.
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"Let's take a selfie!" Sounds pretty normal to you, right? Well, it wasn't until a decade ago that the selfie hype infiltrated our daily…
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Last week, we talked about temperature sensors , simple instruments that measure the degree of hotness or coolness and convert it into a…
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