Histoire Books

Up down or open moving machines
Up down or open moving machines

By Michele Spirn

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Discusses how simple machines work using drawbridges, escalators, and retractable roofs as examples.

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The sky's the limit
The sky's the limit

By Stephanie Cohen

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"Airplanes pass over our heads every day. We hardly notice them, but they are an invention that took centuries to perfect. What were the first flights like?"--

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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