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RECENT ARTICLES
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The Math of Consciousness: Q&A with Kobi Kremnitzer
A meditating mathematician is developing a theory of conscious experience to help understand the boundary between the quantum and classical world.

Can We Feel What It’s Like to Be Quantum?
Underground experiments in the heart of the Italian mountains are testing the links between consciousness and collapse theories of quantum physics.

The Thermodynamic Limits of Intelligence: Q&A with David Wolpert
Calculating the energy needed to acquire and compute information could help explain the (in)efficiency of human brains and guide the search for extra-terrestrial intelligence.

Gambling Against the Second Law
Using precision thermometry to make mini heat engines, that might, momentarily, bust through the thermodynamic limit.

Mind and Machine: What Does It Mean to Be Sentient?
Using neural networks to test definitions of 'autonomy.'


FQXI ARTICLE
July 3, 2022

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Recent Comments


Georgina,

today in physics there are two fundamental approaches to time. The first and most common approach says we use clocks to measure the time component of space-time, space and time being confounded as the basis of physical reality. However this approach has no experimental support. There is no evidence whatsoever that clocks measure one aspect of space-time, and in truth we cannot observe space-time at all. The second approach here presented says time is merely run of clocks in...


Amrit and anyone else who thinks that time has no "arrow",

According to the Prime quaternion model subjective time most definitely has direction. All macroscopic objects are in continuous motion along the 4th dimension of the quaternion spatio-energetic continuum. This motion gives rise to subjective time, gravity and creation of matter at all scales. There is no stopping or going in reverse because this motion also holds all matter together. This motion can also be considered as decrease...


An arrow is a lethal quantum of action. It is a distant action but not a spooky one. Let's consider two two simultaneously shot bullets, one with positive "spin" the other one with negative. They have a good chance to coexist for some coherence length. However, I doubt that they might be suited to build a computer with the promised extraordinary performance. At least, I have no idea how to individually steer bullets in flight, while I recall claims that quantum computer are available. If I...

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