information theory

Book review – Life in the Cosmos: From Biosignatures to Technosignatures

8-minute read

Are we alone in the universe? For the moment, this question remains unanswered, though there are many ways to tackle it. Just how many was something I did not appreciate until I sunk my teeth into Harvard University Press’s new flagship astronomy title Life in the Cosmos. Written by astrobiologist Manasvi Lingam and theoretical physicist Abraham “Avi” Loeb, this is a book of truly colossal proportions, clocking in at over 1000 pages. It boldly goes where few academic books have gone before by seriously and open-mindedly considering the possibility of extraterrestrial technological intelligence on par with, or far beyond humans. I found myself gravitating towards this book on account of more than just its size.

Life in the Cosmos (more…)

Book review – Alien Oceans: The Search for Life in the Depths of Space

8-minute read

This is the second of a two-part dive into the story of oceans on Earth and elsewhere, following my review of Ocean Worlds. That book gave a deep history of how our oceans shaped Earth and life on it and briefly dipped its toes into the topic of oceans beyond Earth. Alien Oceans is the logical follow-up. How did we figure out that there are oceans elsewhere? And would such worlds be hospitable to life? Those are the two big questions at the heart of this book. If there is one person fit to answer them, it is Kevin Peter Hand, a scientist at NASA’s Jet Propulsion Laboratory and their deputy chief for solar system exploration.

Alien Oceans slanted (more…)

Book review – The Zoologist’s Guide to the Galaxy: What Animals on Earth Reveal about Aliens – and Ourselves

6-minute read

Can we predict what aliens will look like? On some level, no, which has given science fiction writers the liberty to let their imagination run wild. On another level, yes, writes zoologist Arik Kershenbaum. But we need to stop focusing on form and start focusing on function. There are universal laws of biology that help us understand why life is the way it is, and they are the subject of this book. If you are concerned that consideration of life’s most fundamental properties will make for a dense read, don’t panic, The Zoologist’s Guide to the Galaxy is a spine-tingling dive into astrobiology that I could not put down.

The Zoologist's Guide to the Galaxy slanted (more…)

Book review – Rage Inside The Machine: The Prejudice of Algorithms, and How to Stop the Internet Making Bigots of Us All

7-minute read

There is an amusing and slightly acerbic acronym that has stuck with me from my days working at a computer helpdesk for an international oil firm: PICNIC. Short for “problem in chair, not in computer”, my colleagues used it as code whenever an employee rocked up at our helpdesk with a complaint or problem that was due to human clumsiness rather than malfunctioning hardware. “Did you check that the printer was plugged into the power socket?”

Nevertheless, says Artificial Intelligence (AI) researcher Robert Elliott Smith, our blind faith in computers and the algorithms that run them is misguided. Based on his 30 years experience working with AI, the aptly titled Rage Inside the Machine takes the reader on a historical tour of computing to show how today’s technology is both less amoral and more prejudiced than we give it credit for.

Rage Inside the Machine (more…)