Starting to learn about General and special relativity

Thread starter David_Harkin
Start date Mar 28, 2007
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General Relativity Special relativity

In summary, general relativity and special relativity are theories that explain the relationship between space and time. General relativity includes the effects of gravity and describes the curvature of space and time, while special relativity does not. To learn about these theories, it is helpful to have a basic understanding of physics and familiarize oneself with the work of Albert Einstein. While a strong background in mathematics can be beneficial, it is not necessary to understand general and special relativity. These theories have practical applications in modern technology and play a crucial role in astrophysics and cosmology. One common misconception is that they only apply in extreme situations, but their principles can also be observed in everyday scenarios.

Mar 28, 2007

David_Harkin

I am just starting to learn about General and special relativity, does anyone know any good sites that has good info on the topic?

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Mar 28, 2007

robphy

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One starting point is http://www.math.ucr.edu/home/baez/RelWWW/

Mar 28, 2007

Mentz114

Some people find this a useful source, it's the Carroll lectures.

xxx.lanl.gov/abs/gr-qc/9712019

1. What is the difference between general and special relativity?

Special relativity is a theory that explains the relationship between space and time in the absence of gravity, while general relativity includes the effects of gravity and describes the curvature of space and time.

2. How do I start learning about general and special relativity?

The best way to start learning about general and special relativity is to familiarize yourself with the basic principles of physics, such as motion, energy, and forces. You can then move on to understanding the theories and equations proposed by Albert Einstein.

3. Is it necessary to have a strong background in mathematics to understand general and special relativity?

While a strong background in mathematics can certainly help in understanding the complex equations involved in general and special relativity, it is not necessary. Many popular science books and online resources provide simplified explanations that do not require advanced mathematical knowledge.

4. What are some real-world applications of general and special relativity?

General and special relativity have many practical applications in modern technology, such as GPS systems, which rely on precise measurements of time and space. They also play a crucial role in fields like astrophysics and cosmology, helping us understand the behavior of objects in the universe.

5. Are there any common misconceptions about general and special relativity?

One common misconception is that general and special relativity only apply to objects traveling at near-light speeds or in extreme gravitational fields. However, their principles can also be observed in everyday situations, such as the slowing of time in a moving vehicle or the bending of light around massive objects like the sun.