- Format: Kindle Edition
- File Size: 677 KB
- Print Length: 41 pages
- Publisher: Amazon Kindle Direct Publishing; 4 edition (25 Jun. 2014)
- Sold by: Amazon Media EU S.à r.l.
- Language: English
- ASIN: B007UMM90U
- Text-to-Speech: Enabled
- Word Wise: Enabled
- Average Customer Review: 1 customer review
- Amazon Bestsellers Rank: #666,547 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required.
To get the free app, enter your mobile phone number.
Understanding Gravity: Newton, Einstein, Verlinde? Kindle Edition
Customers who viewed this item also viewed
Would you like to tell us about a lower price?
Top customer reviews
Most helpful customer reviews on Amazon.com
The equations in the main body of the Kindle version of this book are unreadable. The type size is about 1/10th the size of the normal text. I literally had to get out a magnifying glass to read the equations. However, the equations in the Appendix (taken from Dr. Verlinde's work) are normal size.
Dr. Verlinde admits that the theory of entropic gravity is far from finished, but I believe he's on the right track. After all, it is now accepted as scientific fact that black holes have entropy and therefore have temperature. Likewise, according to the holographic principle, all massive bodies can be thought of as being surrounded by a "screen" that is imprinted with information, and thus have entropy as well. Dr. Verlinde is very clear about this in his writings. He only uses the example of a polymer surrounded by a heat bath as being analogous to gravitationally attracting body surrounded by a holographic screen. The fact that there is no actual heat bath does not invalidate the principle of maximizing entropy.
Overall, I was very disappointed in this book. It should have provided much more background on the principles of entropy and compared entropic gravity with Newton's theory and general relativity.
It was overpriced for the content, even if it had been titled correctly. As it is, I feel "ripped off".
If you want to learn about Verlinde's proposal, his own papers are much better, and the criticisms linked from his web site are much more thoughtful. <http://staff.science.uva.nl/~erikv/page20/page20.html>
Look for similar items by category