Robert Ehrlich Books

Perspectives on Nuclear War and Peace Education:
The Recorder
Physics and Computers
Physics and Computers

By R Ehrlich

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Electricity and Magnetism Simulations
Electricity and Magnetism Simulations

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What If?
What If?

By Robert Ehrlich

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Questions and answers explore the earth, weather and climate, forces and energy, plants and animals, and other scientific subjects.

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Laboratory Manual to accompany Physics Matters
Electricity and magnetism simulations
Electricity and magnetism simulations

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Turning the World Inside Out and 174 Other Simple Physics Demonstrations
What If
What If

By Robert Ehrlich, Bob Ehrlich

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Turning the world inside out and 174 other simple physics demonstrations

Related Articles from our Blog

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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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