This book made me realize that radio is not just about playing music. It is about sending and reciving waves to make the public happy.

This book focuses on the history of radio from 1899 to 1954 and thus has nothing to do with RCA's CED VideoDisc system, but one of the key figures in the account is David Sarnoff, so a lot of the early history of RCA is covered. In addition to Sarnoff, the book focuses on the technical radio pioneers Edwin Howard Armstrong and Lee de Forest. In some respects this book is a reflection on the development of the modern computer, as parallels can be drawn between these radio pioneers and computer industry figures Bill Gates, Steve Jobs, and Larry Ellison.

Read some years ago & book now lost. Fascinating in that it vividly displays the genius, sometimes luck, unstinting effort, inspiration, and often the "happy" accident that is part of basic effort when one breaks ground in a new quest in pursuit of a dream. Much of this history could not be repeated in our 2000 world because those opportunities no longer exist. An example is Sarnoff's success in getting meaningful work at the tender age he did in the story! Mankind's unflagging quest goes on but in different ways. The first way of making news available at the instant it occurs certainly shrunk the world. The process continues. Recommended highly for the radio buff of any age!

I would like to find out if you have a CD-ROM or on-line of the newest version "Principles of Geriatric Medicine and Gerontology"?
Thank you in advance for your response.

The fourth edition of this classic text is now available and it is even better than previous editions. Many chapters have been rewritten and new authors add significantly to the current edition.

This is a useful, well-documented book for those interested in studying the different ways mathematics may have developed in our history. It is interesting to compare the book, which traces how our ancestors may have developed algorithms (mostly empirical) to calculate astronomical events, with others covering historical approaches in different areas in the World. For example, the one "The Exact Sciences in Antiquity" was written to trace the development of different mathematical methods (more conceptual and theoretical) to solve the same problem in Southwest Asia (Assryria, Babylonia) and the Middle East. There is one by Professor Van der Waerden which treats the history of mathematics in Greece and Egypt particularly well. And, there are others dealing with the development of mathematics and numbers in Egypt. I consider this book as a valuable historical resource to use for this type of study.

A fairly laid-back analysis of the current information without the hype and bombast usually ascribed to these works. Wood isn't writing to debunk or pander, just to state the facts. It's a blessed relief.

As a student in the same physics class of those people who placed 1-star reviews, I feel obliged to defend this book a little bit. Yes, it is sometimes not the most rigorous book on this planet. Yes, it does sometimes get a bit wordy. For all these weaknesses however, I still found it to be a very good introduction to relativity. Unlike many books which go the other way around, this book begins with the idea of an invariant spacetime interval and goes from there into deriving the Lorentz equations. It also does an excellent job of explaining many of the paradoxes which seem to undermine relativity and how these problems have been handled. These paradoxes formed the basis for many homework questions, some of which I found to be as helpful for learning relativity as the chapters themselves. If you are looking for a strong thoretical introduction to special relativity, this may not be the book for you. If you're a non-major who is just interested in the subject, I would recommend it, just with the reservations I mentioned above on the rigor.

Reading some of the reviews below, I'm reminded of a cartoon showing Moses parting the Red Sea. One Israelite is grumbling to another, "It's a bit damp in there, isn't it ...."

I know the folksy style of this book can be off-putting to some. But if anyone thinks that the *content* is dumbed down, it can only mean they haven't scratched below the surface and discovered the extraordinary wealth of examples, insightful applications and programmed exercises. Taylor and Wheeler (John Wheeler, one of the outstanding theoreticians of our time) are attempting to acculturate students (ouch) to the counter-intuitive world of special relativity, set in the context of general relativity. That takes more than a collection of formulas given in a handout at the start of the semester. You don't need heavy math, but you do need much thoughtful pedagogy. They succeed brilliantly and, contrary to some opinions, do so without glossing over anything of importance. The only aspect of basic relativity not touched on is the covariant formulation of the electromagnetic field equations (I defy anyone to do that without a couple of years' calculus). In short, the book is far from trivial. It is accessible to any numerate high-school graduate able and willing to think. I can't imagine how it could have been done better.

P.S. Complimentary copies should be sent to Latour, Irigaray et Cie, Paris.

I use this book as a supplement to an online relativity class at drphysics.com. Students love this book because it explains the concepts of relativity clearly and without unnecessary mathematical complication. Introductory physics classes have been using this book (including the earlier edition) for decades. Don't be fooled: while it is accessible to students at the elementary level, it is useful for readers at all levels.

Not only is John Wheeler a consummate theoretician, he is also a gifted teacher. The solved examples were carefully chosen to elucidate key points. The remaining exercises will help the reader understand special relativity in great depth.

The first edition of _Spacetime Physics_ was written before the classic general relativity text _Gravitation_ by Misner, Thorne, and Wheeler. The same brilliant exposition methods were used in the much thicker general relativity text. Both books belong in every physicist's library.

The way I look at these tapes as the best way of reading philosophy while you are driving. Please keep your eyes on the road while you are driving. These series are great. I believe they are not intended to be comprehensive and they could not be in two hours but they give you %60 biography %40 philosophy. Some of them even have accent as they though they were immigrants from original contries to US, Kant speakes with German/English accent. It is fun, entertaining, illuminating. Much better than talk shows. Please this is not a substitute for a real book so judge accordingly.

This brief introduction to Hume is exceptional. I went from this tape to Hume's "An Enquiry Concerning Human Understanding" and "An Enquiry Concerning the Principles of Morals". I don't think it would have been such an easy transition without learning how Hume fits into Western philosophical history and what problems concerned him. It startled me to discover that Hume's major point is that inductive thinking (thinking about "matters of fact" ) is irrational: forming general laws about the world has its basis in custom and experience and not by the sort of reasoning used in math and logic ("relations of ideas" in Hume's lexicon).

Hume's political, historical, and ethical ideas are also interesting and I was surprised to learn how much Hume's ideas on the separation of powers in government had influenced James Madison.

Charlton Heston does it again.Another project that I have absolutely fallen in love with.He sounds so smart and sexy,just like those philosophers were,therefore an appropriate choice to narrate.I wonder,if they were alive today,what would these philosophers have to say about guns?Ah,no matter,they'd all agree with me that Mr.Heston did an excellent job on what i'm sure will be a quintessential work on the subject.

With the title containing Hubble and Origins, I was hoping for lots of new information about what the latest data from Hubble ST would reveal about our origins. Instead the book is a compendium of very nice large format color photos of galaxies stars and the planets in our Solar system, accompanied by one paragraph captions - and a lot of white space where more information and analysis of "origins" could have been. I recommend this book for coffee table perusal, not for the serious reader of cosmology. Sidney Sheres

The first thing to note about this book is that it is not about the Hubble Space Telescope, but about our universe. It's subtitled "Hubble's Universe", because Edwin Hubble was the first astronomer to show that universe was composed of many galaxies and not just the Milky Way. In other words, he might be considered the founder of modern cosmology.

In this book, the authors present many of the classic photographs of the universe, the Milky Way and the solar system plus many new pictures as well. Accompanying each photograph is a detailed description of what was discovered and why is important. While some of the these photographs are over twenty-five old, they have been digitally enhanced, but still show the graininess associated with the early planetary space probes. In addition, there is a nice introductory section, which describes many of the discoveries from the past hundred years.

In general, I found most of the photographs contained in the book to be a good representation of the objects found in our universe. The photographs cover the extreme, from very distant galaxies to the Earth and the Moon.

If you are looking for a good book that summarizes the universe, Milky Way and the solar system in pictures, this book would good addition to your collection. If you are looking for new photographs or new information you will not find much in this book.

While the book is not heavy on text, its descriptions about the formation of stars, nebulae, galaxies and the universe in general are easy to read and understand. The supporting full page pictures at right are also well described. It is an excellent laymans guide to explaining how our world and the material that makes us who we are, came from the stars.

This book contains excellent choices from the writings of Jonathan Edwards, the first great philosopher in the American colonies, including some of his earliest writings, mostly just philosophical or biological musings. It reflects some interesting developments in the maturation of his thinking. It also has letters to friends, colleagues, and family members. Some of his most well-known sermons are alongside some representative samples of his sermons. Unfortunately, there is room for only excerpts from his longer works, such as The Religious Affections, but that can't be helped in an affordable popular anthology. If you want all of his works, but the complete works from the same publisher. If you just want a representative sample of some of the best works of this great theologian and philosopher, get this.

Mainstreams of Modern Art takes a comprehensive look at art beginning with the Neo Classical period and ending with the Moderist Era. The book has extensive color plates that examplify the concepts it is trying to convey. This is a perfect book to be used in the setting of a classroom, and would recommend it to all.