Janna Levin Books

A madman dreams of Turing machines

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"The narrator is a scientist herself, a physicist obsessed with Kurt Godel, the greatest logician of many centuries, and with Alan Turing, the extraordinary mathematician, breaker of the Enigma Cod...

A Madman Dreams of Turing Machines

By Janna Levin

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Black Hole Survival Guide

By Janna Levin

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From the acclaimed author of Black Hole Blues and Other Songs from Outer Space—an authoritative and accessible guide to the most alluring and challenging phenomena of contemporary science."[...

Como le salieron las manchas al universo

By Janna Levin, Tamara Gil

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A Madman Dreams of Turing Machines

By Janna Levin

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Kurt Gödel’s Incompleteness Theorems sent shivers through Vienna’s intellectual circles and directly challenged Ludwig Wittgenstein’s dominant philosophy. Alan Turing’...

Como sobrevivir a un agujero negro

By Janna Levin

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How the Universe Got Its Spots: Diary of a Finite Time in a Finite Space

By Janna Levin

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Black Hole Blues and Other Songs from Outer Space

By Janna Levin

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The authoritative story of the headline-making discovery of gravitational waves—by an eminent theoretical astrophysicist and award-winning writer.From the author of How the Universe Got Its S...

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.