Posts Categorized: Guest Posts

Guest Post: “Is Reality a Hologram?” by George Musser

I recently recorded two (!) conversations with George Musser for my audio series. We talked about the brain’s perception of space and to what extent our conscious experience is giving us an accurate sense of what’s “out there.” In his book, Spooky Action at a Distance, he discusses the related implications of M-Theory and AdS/CFT duality—enjoy... Read more »

Guest Post: “The World is Nothing but Change” by Carlo Rovelli

If I observe the microscopic state of things, then the difference between past and future vanishes. The future of the world, for instance, is determined by its present state—though neither more nor less than is the past. We often say that causes precede effects and yet, in the elementary grammar of things, there is no... Read more »

Guest Post: “What Is Spirituality?” by Thomas Metzinger

An excerpt from Spirituality and Intellectual Honesty by Thomas Metzinger Here’s something to spend the weekend contemplating… Can something like a completely secularized form of spirituality exist? Or is this idea perhaps incoherent—something that on second sight cannot be described consistently and without getting lost in obvious contradictions? Continue reading

Guest Post: The Mystery of Time

An Excerpt from Your Brain is a Time Machine, by Dean Buonomano I enjoyed every minute of my work on Dean’s latest book, as it explores some of the most fascinating questions about both the universe and the brain: What is time? Why does time seem to speed up or slow down? Is our sense that time flows an illusion? Dean... Read more »