Alfred B. Bortz Books

Physics

By Fred Bortz, Alfred B. Bortz

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Astrobiology Cool Science

By Alfred B. Bortz

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The Electron The Library of Subatomic Particles

By Fred Bortz, Alfred B. Bortz

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The Neutrino (The Library of Subatomic Particles)

By Alfred B. Bortz

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Tells how the neutrino, an almost massless subatomic particle without a charge, was discovered and helped to explain the process of radioactive decay.

The Neutron (The Library of Subatomic Particles)

By Alfred B. Bortz

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A look into the discovery of the neutron, which completed our picture of the structure of the atom and enabled us to explain the existence of isotopes and understand how nuclear fission occurs.

The Photon The Library of Subatomic Particles

By Fred Bortz, Alfred B. Bortz

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The Proton (The Library of Subatomic Particles)

By Alfred B. Bortz

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A look into the discovery of the most fundamental subatomic particle in nature, the proton, which determines why elements have different physical and chemical properties.

The Quark The Library of Subatomic Particles

By Fred Bortz, Alfred B. Bortz

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Seven Wonders of Space Technology

By Alfred B. Bortz

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Meltdown

By Alfred B. Bortz

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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.