S. Perkowitz Books

"Sidney Perkowitz explores how foam - gas bubbles within solids or liquids - has shaped our lives for millennia." "He clarifies the pioneering roles foam plays in science and industry and takes us...

Slow light

By S. Perkowitz

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"Slow Light is a popular treatment of today's astonishing breakthroughs in the science of light. Even though we don't understand light's quantum mysteries, we can slow it to a stop and speed it up...

Paonosaiensu shabon yukara yu zhouno paohe

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Optical Characterization of Semiconductors

By Sidney Perkowitz

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Digital People

By Sidney Perkowitz

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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.