Michael W. Friedlander Books

Astronomy: From Stonehenge to Quasars

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Instructor's manual, Astronomy, from Stonehenge to quasars

By Michael W. Friedlander

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The conduct of science

By Michael W. Friedlander

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A Thin Cosmic Rain

By Michael W. Friedlander

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"Writing for the amateur scientist and the educated general reader, Michael W. Friedlander, a cosmic ray researcher, relates the history of cosmic ray science from its inception to its present stat...

Cosmic rays

By Michael W. Friedlander

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Cosmic rays

By Friedlander Michael W.

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At the fringes of science

By Michael W. Friedlander

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At the fringes of science

By Michael W. Friedlander

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Scientific discoveries are constantly in the news. Almost daily we hear about new and important breakthroughs. But sometimes it turns out that what was trumpeted as scientific truth is later discre...

Compton Gamma Ray

By Neil Gehrels

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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.