John C. Mather Books

Very First Ligth the Penguin Press Science

By John Boslough, John C. Mather

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The Very First Light: The True Inside Story of the Scientific Journey Back to the Dawn of the Universe

By John Boslough, John C. Mather, Mather John C.

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In 1990 and 1992, a NASA-led team of scientists from the Cosmic Background Explorer (COBE) project changed the way we view the universe. They showed that microwave radiation that fills the universe...

The Very First Light

By John Boslough, John C. Mather

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Space Telescopes and Instrumentation I

By Howard A. MacEwen, Mattheus W. De Graauw, John C. Mather

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The very first light

By Mather John C.

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Ir Space Telescopes and Instruments

By John C. Mather

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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.