Seven Brief Lessons on Physics is a concise overview of 20th Century Physics. Exploring and explaining the fundamental questions posed in the last 100 years, Rovelli distills clear and concise insights for the common audience.
Seven Brief Lessons On Physics by Carlo Rovelli
Seven Brief Lessons on Physics is an excellent introduction to top level physics.
Covering General Relativity, Quantum Mechanics, Statistical Physics, Black Holes and the nature of the Cosmos, Rovelli speaks in clear and compelling terms to describe what we know, how we know it and the unanswered questions of Physics today.
Below are some of the key ideas I took from this book:
- Albert Einstein wrote three nobel prize winning theories in 1905, despite working outside of the conventional academic environment in Pavia.
- General Relativity suggests that the gravitational field is space itself and consequently that the universe must be expanding.
- Quantum mechanics suggests that particles can exist everywhere and anywhere and that we can only calculate probability that they will pop up in a set location.
- The Architecture of the cosmos is an infinite curved patchwork quilt with billions upon billions of stars, planets and galaxies with waves in all directions.
- The Standard Model of particle physics suggests subatomic particles vibrate between existence and non-existence swarming together to form matter and fill the voids of space.
- General Relativity and Quantum Mechanics both work FAPP but do not combine well. Loop Quantum Gravity is an attempt to unify both theories describing the big bang as a big bounce from one universe exploding into another.
- Thermodynamics and the nature of time are a further area of conflict in physics with the standard model.
- Understanding how ourselves and our consciousness fits into the standard model of Physics is also a frontier for physics in the 21st century.
- We have 100 billion neurons in the brain which is more then the number of stars in the galaxy.
- Unlike turtles, alligators and lizards, the homosapiens species doens’t appear to have the markers of collective longevity, raising concerns for the future of humanity.