Yes, Hugh Everett had a novel idea. And yes, it makes for a great science fiction story. But does it really do what it claims to do? In this paper, excerpted from an edited volume with colleagues Jasmina Jeknic-Dugic and George Jaroskiewicz, I provide some reasons for concern. The Illusory Appeal of Decoherence in the … Continue reading It’s time to consider the serious flaws in the Everettian (“Many Worlds”) Interpretation →

Landauer's Principle is the claim that any computational process that "merges two computational paths" comes with an entropy cost of (at least) k ln 2. This sort of merging is also termed "erasure of information" in the literature. Thus, Landauer's Principle asserts that there is a minimal cost paid in the creation of thermodynamic entropy … Continue reading Landauer’s Principle: Not quite what Landauer had in mind. →