some things are more or less permanent - for instance information like this

 For instance life and knowledge. 

Some bacteria has lived  on earth for more than 3 billion years. They divide and lives on and on and on. 

Well more complex life forms have been her for a long time too - even if humans have not... 

Knowledge is in fact very resilient - as long as there are books or internet or storytelling 

An example from Shakespeare's Sonnet 18: 

                                                So long as man can breathe, or eyes can see

                                           So long lives this, and gives life too thee


This information from Shakespeare has been around for hundreds of years and will probably, because of its beauty survive for a very long time (if we in the far future civilization may survive on other planets, eve if our sun has died). 

So if humans are changing and fading away, knowledge are not. When you reed a good book complex information goes from one person to another even if the author is dead.


Chiara Marletto has written a book about this kind of things - "The Science of Can and Can’t". 

 She works at Oxford university and so do David Deutsch and its he who has inspired her to write the book (and maybe the first to talk about  "constructor theory" which is the topic of the book  

She tries to widen the horizon of physics with the help of epistemology. Maybe information can be included in physics. 

The book may be a bit experimental and ahead of time (like the books by Deutsch) but not hard to read and optimistic (like Deutsch's too) - for instance about the chance to stop climate change. And the way we can do it is of course with knowledge. 

Here is an interview with Chiara:


                                                          

 And here you can here Brett Hall tell about the book (not expensive to buy in a series of episodes - thank you Brett (just about the first chapter yet)



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