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Good Night
May. 2nd, 2019 12:50 am
May. 2nd, 2019
Thursday Thoughts and Hidden Item
May. 2nd, 2019 03:46 pmAnother sunny morning which warmed up around midday and now cooled off. I popped into town to mooch around and found John again at the same coffee shop, so we chatted for a while, I had a cortado, and then went to get items I forgot yesterday.
I discovered a hidden CD on the Heaven and Earth album by Kamasi Washington. It felt as though something was there and then I discovered that the top of the threefold gatefold cardboard sleeve had a perforation on top. It needed a knife to prize the top open, carefully, to reveal disc three called "The Choice". 38 more minutes of music.
The roses are growing again outside my flat.
Misty came by again and had a quick nap on my settee.
Well, off to Canterbury tomorrow to do a few visits for various companies.
I discovered a hidden CD on the Heaven and Earth album by Kamasi Washington. It felt as though something was there and then I discovered that the top of the threefold gatefold cardboard sleeve had a perforation on top. It needed a knife to prize the top open, carefully, to reveal disc three called "The Choice". 38 more minutes of music.
The roses are growing again outside my flat.
Misty came by again and had a quick nap on my settee.
Well, off to Canterbury tomorrow to do a few visits for various companies.
Coffee Time
May. 2nd, 2019 07:08 pm
.. or any coffee.
Seen in the lane today where the Fleurs Bookshop is.
Carlo Rovelli "Reality Is Not What It Seems: The Journey To Quantum Gravity" (Penguin)
Sometimes it's not what you understand or what you know for certain that really matters. It's acknowledging the limits of your understanding and still to be willing to press on. That, in fact, is close to what Carlo Rovelli identifies as the chief virtue of science. It's a point he makes in the final chapter of this fascinating journey from Anaximander past Copernicus and Newton, to Einstein, Dirac, and a host of other startlingly brilliant physicists, all of whom ventured forth from that initial point of ignorance. I feel like I'm in good company even though my ignorance may be clouding out my brilliance.
I must congratulate Prof. Rovelli because he was able to convey the gist of loop quantum gravity without diving deep down into the gory mathematical details. Of course, without even summarizing such details, one can only get a very fuzzy and intuitive grasp of the matter, but that's better than nothing.
I was also excited to learn about LISA (Laser Interferometer Space Antenna), a mission designed to detect and accurately measure gravitational waves from astronomical sources. According to Rovelli, what the famous LIGO did for detection of gravitational waves caused by black holes colliding, LISA will do for ancient black holes exploding, sort of a cosmic quantum gravitational background effect, similar to the famous cosmic microwave background radiation.
I also liked how Rovelli connected some of the scientific themes to literature and history, especially his references to "De rerum natura" and Dante, as well as establishing continuity with the great thinkers of ancient Greece.
I think the chapter regarding the concept of "information" and the role it plays in modern physics theories could be expanded and clarified more. Instead of trying to introduce quantum mechanics and relativity for which we have great popular accounts, he could've used those pages to explain his ideas about information in more depth.
I can recommend this book to people who'd like to have an intuitive overview of an important direction where modern physics research is headed to. And it's always nice and inspirational to read an Italian author who knows his history and literature so well.
Sometimes it's not what you understand or what you know for certain that really matters. It's acknowledging the limits of your understanding and still to be willing to press on. That, in fact, is close to what Carlo Rovelli identifies as the chief virtue of science. It's a point he makes in the final chapter of this fascinating journey from Anaximander past Copernicus and Newton, to Einstein, Dirac, and a host of other startlingly brilliant physicists, all of whom ventured forth from that initial point of ignorance. I feel like I'm in good company even though my ignorance may be clouding out my brilliance.
I must congratulate Prof. Rovelli because he was able to convey the gist of loop quantum gravity without diving deep down into the gory mathematical details. Of course, without even summarizing such details, one can only get a very fuzzy and intuitive grasp of the matter, but that's better than nothing.
I was also excited to learn about LISA (Laser Interferometer Space Antenna), a mission designed to detect and accurately measure gravitational waves from astronomical sources. According to Rovelli, what the famous LIGO did for detection of gravitational waves caused by black holes colliding, LISA will do for ancient black holes exploding, sort of a cosmic quantum gravitational background effect, similar to the famous cosmic microwave background radiation.
I also liked how Rovelli connected some of the scientific themes to literature and history, especially his references to "De rerum natura" and Dante, as well as establishing continuity with the great thinkers of ancient Greece.
I think the chapter regarding the concept of "information" and the role it plays in modern physics theories could be expanded and clarified more. Instead of trying to introduce quantum mechanics and relativity for which we have great popular accounts, he could've used those pages to explain his ideas about information in more depth.
I can recommend this book to people who'd like to have an intuitive overview of an important direction where modern physics research is headed to. And it's always nice and inspirational to read an Italian author who knows his history and literature so well.
Book 44 - Jim Al Khalili (ed) "Aliens"
May. 2nd, 2019 11:14 pmJim Al Khalili (ed) "Aliens" (Profile Books)
This scientific discussion begins with humankind being the aliens visiting other planets to ending with others visiting earth. Essays include looking at cultural aspects from entertainment to science fiction and scientific aspects from artificial intelligence, biology, and astronomical distance. The reader will not find a definitive answer on whether aliens exist, but will find rational arguments to support each theory presented. Minimal footnotes, further readings, a must-watch alien film list, and brief contributor biographies are included.
Overall, this is a superb collection of excellent essays from premier scientists in the developing field of astrobiology, psychology, astronomy and astrophysics on the development of extraterrestrial life. In turn, fascinating, and page-turning, that'll make you think of aliens and the universe like nothing before. Addictive and compelling, it makes a good introduction to the subject for the general reader too. Highly recommended.
This scientific discussion begins with humankind being the aliens visiting other planets to ending with others visiting earth. Essays include looking at cultural aspects from entertainment to science fiction and scientific aspects from artificial intelligence, biology, and astronomical distance. The reader will not find a definitive answer on whether aliens exist, but will find rational arguments to support each theory presented. Minimal footnotes, further readings, a must-watch alien film list, and brief contributor biographies are included.
Overall, this is a superb collection of excellent essays from premier scientists in the developing field of astrobiology, psychology, astronomy and astrophysics on the development of extraterrestrial life. In turn, fascinating, and page-turning, that'll make you think of aliens and the universe like nothing before. Addictive and compelling, it makes a good introduction to the subject for the general reader too. Highly recommended.
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