Science News has a short article discussing a calculation someone has done showing how small the volume of space examined by SETI (Search for Extraterrestrial Intelligence) is relative the overall size of the galaxy. With no luck so far in a six-decade search for signals from aliens, you’d be forgiven for thinking, “Where is everyone?” A … Continue reading SETI vs the possibility of interstellar exploration
A qualified recommendation: The Murderbot Diaries
I'm generally not a fan of most depictions of AI (artificial intelligence) in science fiction. They're often highly anthropomorphic, assuming that engineered intelligences would innately have motivations and impulses similar to humans or other living systems, such as caring about their own survival, social status, or self actualization. A good example of this is the … Continue reading A qualified recommendation: The Murderbot Diaries
Inflate and explode, or deflate and preserve?
Philosopher Eric Schwitzgebel has an interesting post up criticizing the arguments of illusionists, those who have concluded that phenomenal consciousness is an illusion. Here's a way to deny the existence of things of Type X. Assume that things of Type X must have Property A, and then argue that nothing has Property A. If that … Continue reading Inflate and explode, or deflate and preserve?
The prospects for a scientific understanding of consciousness
Michael Shermer has an article up at Scientific American asking if science will ever understand consciousness, free will, or God. I contend that not only consciousness but also free will and God are mysterian problems—not because we are not yet smart enough to solve them but because they can never be solved, not even in … Continue reading The prospects for a scientific understanding of consciousness
Recommendation: Children of Time
The Fermi Paradox is the observation that if intelligent life is pervasive in the universe, it should have arrived on Earth ages ago, but there is no evidence it ever did. The solutions to the paradox include the possibilities that interstellar travel is impossible (or so appallingly difficult that no one bothers), that there is … Continue reading Recommendation: Children of Time
The soul of the Roman Empire
According to tradition, in the early days of ancient Rome, King Numa Pompilius established a religious institution: the Vestal Virgins. The Vestal Virgins were chaste priestesses of Vesta, the goddess of home and hearth. Their duty was to maintain the sacred flame in the temple of Vesta. The Romans believed that as long as the … Continue reading The soul of the Roman Empire
Altered Carbon
Several years ago, I read Richard K. Morgan's Takeshi Kovacs novels about a future where people's minds are recorded in a device (called a "stack") implanted just below the brain stem, essentially providing a form of mind uploading, and allowing people to survive the death of their body. Kovacs, the protagonist of the series, is an … Continue reading Altered Carbon
What is knowledge?
In the discussion on the last post on measurement, the definition of knowledge came up a few times. That's dredged up long standing thoughts I have about knowledge, which I've discussed with some of you before, but that I don't think I've ever actually put in a post. The ancient classic definition of knowledge is … Continue reading What is knowledge?
Are there things that are knowable but not measurable?
It's a mantra for many scientists, not to mention many business managers, that if you can't measure it, it's not real. On the other hand, I've been told by a lot of people, mostly non-scientists, and occasionally humanistic scholars including philosophers, that not everything knowable is measurable. But what exactly is a measurement? My intuitive understanding … Continue reading Are there things that are knowable but not measurable?
Could a neuroscientist understand a microprocessor? Is that a relevant question?
A while back, Julia Galef on Rationally Speaking interviewed Eric Jonas, one of the authors of a study that attempted to use neuroscience techniques on a simple computer processor. The field of neuroscience has been collecting more and more data, and developing increasingly advanced technological tools in its race to understand how the brain works. … Continue reading Could a neuroscientist understand a microprocessor? Is that a relevant question?
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