John Cramer: 6 books

This is a book about the science of shooting guns but it also applies to archery. Beginning with the most basic science, that gravity means you can never shoot straight, it carefully and clearly explains the physical science behind all aspects of shooting. Projectile motion, the effects of air resistance...

Why do we think matter is made of atoms and the Earth goes around the Sun? How big is the universe? Did it have a beginning or is it eternal? Is heat a fluid or just the random motion of molecules? Is light made of particles or is it a fluid or maybe something else? This book answers these questions...

How alien would aliens be? Would they look like us or perhaps more like an octopus? How would they communicate? Could we even hear their voices, assuming they have them? Like us, aliens would be constrained by the physical world. Understanding how those physical constraints apply both to us and to...

What I have observed of student struggles with introductory physics, after more than forty years of teaching it, is that learning how to think like a physicist is a much greater challenge than learning the subject matter. Introductory physics courses introduce students not only to content but also...

Are you a K-5 teacher who needs to teach science but feels unprepared? It is especially common for K-5 teachers to feel uncomfortable teaching physical sciences. This is the book for you. It is material I have prepared for our Masters in Arts in Teaching students at Oglethorpe University over years...

Teaching and learning about the Ptolemaic and Copernican systems is a challenge. The defining texts are all but unreadable even in translation. Here is a systematic exposition (pun intended) of the two great systems with 36 diagrams to aid you. Most of these diagrams, original work of the author,...