In Search of Now — Interactive Mindmaps

In Search of Now by Jo Marchant Book Cover

by Jo Marchant

Jo Marchant's In Search of Now explores the science of time perception, blending physics, neuroscience, and psychology to reveal how our brains construct the elusive present moment. Written for curious readers and science enthusiasts seeking to understand time, consciousness, and reality's nature.

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Chapter mindmaps

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Chapter 1: Introduction: The Ultimate Paradox

Key concepts: Introduction: The Ultimate Paradox

1. Introduction: The Ultimate Paradox

The Paradox of Now

  • Now feels immediate and tangible
  • Yet vanishes when we try to grasp it
  • Raises the question: What is Now?

Cultural Embrace of the Present

  • Self-help gurus like Tolle popularize Now
  • Mindfulness brings joy amid suffering
  • Pandemic forced living in uncertain Now

Physics Contradicts Experience

  • Block universe: all moments equally real
  • No special 'present' in Einstein's equations
  • Time's flow is a brain construction

The Ultimate Paradox

  • Now is everything to us
  • But nothing to the universe
  • Like Plato's cave: shadow vs. reality

Book's Mission and Promise

  • Explore from cosmic and subjective views
  • Bridge objective physics and felt reality
  • Reality may be created fresh each moment

Chapter 2: Chapter 1. Whispers of Reality

Key concepts: Chapter 1. Whispers of Reality

2. Chapter 1. Whispers of Reality

The Paradox of the Present Moment

  • Now feels razor-thin yet expands into layered experience
  • Blends sensory input, memory, and future expectations
  • Constant yet ever-changing, tiny yet boundless

Philosophical and Artistic Perspectives

  • Heraclitus saw now as a river of perpetual change
  • Haiku poetry aims to distill a single experience
  • Music uses repetition to stretch the present

The Subjective Nature of Now

  • Time-lapse cinema revealed different creature timelines
  • Perception is a product of biology, not clock time
  • Lara Meiss case shows smooth flow is brain-constructed

Neural Processing Delays and Construction

  • Perception lags behind real-world events
  • Brain stitches out-of-sync signals into coherent now
  • Our experience is low-resolution compared to physics

Illusions That Rewrite Reality

  • Hoerl collision shows we see wrong sequences
  • Color phi effect proves brain edits past events
  • Now is a constantly updated interpretation

Chapter 3: Chapter 2. The Death of Now

Key concepts: Chapter 2. The Death of Now

3. Chapter 2. The Death of Now

The Paradox of Gravitational Waves

  • LIGO detected spacetime ripples from black hole collision
  • Einstein's prediction confirmed after a century
  • Event proved nothing truly 'happens' in relativity
  • Past, present, future coexist as seamless tapestry

Newton's Absolute Time

  • Universe has fixed grid of space and time
  • Universal 'Now' identical for all observers
  • Time flows like cosmic clock outside universe
  • Most people still live in Newton's worldview

Einstein's Special Relativity

  • Light's constant speed forces spacetime to flex
  • No cosmic clock exists; time flows differently
  • Simultaneity is relative between observers
  • Past, present, future are persistent illusion

General Relativity and Spacetime

  • Mass warps spacetime, creating gravity
  • Light bends around massive objects like Sun
  • 1919 eclipse confirmed Einstein's predictions
  • Gravitational waves later verified the theory

The Death of Now

  • No privileged moment exists in universe
  • Black holes exist in all states simultaneously
  • Event order can reverse for distant observers
  • Absolute 'when' is meaningless concept

Human Experience vs Physics

  • Feeling of present moment has no physical basis
  • Einstein called time sense 'baggage of consciousness'
  • Choices and urgency are illusions of mind
  • Science cannot grasp the subjective Now

Living in Timeless Reality

  • All moments exist equally in spacetime fabric
  • Our lives woven into timeless cosmic tapestry
  • Birth, life, death are equally real events
  • Paradox: we feel Now but physics denies it

Chapter 4: Chapter 3. A Timeless Universe

Key concepts: Chapter 3. A Timeless Universe

4. Chapter 3. A Timeless Universe

The Block Universe

  • All of time exists as a static 4D object
  • Past, present, and future coexist simultaneously
  • Derived from Einstein's theory of relativity
  • Change is an illusion; the universe just is

Arrow of Time and Entropy

  • Time's flow is not a fundamental law
  • Second law of thermodynamics drives entropy increase
  • Microscopic physics is time-reversible
  • We perceive entropy rise as time's passage

Barbour's Static Nows

  • Universe is a collection of separate timeless moments
  • No river of time connects the Nows
  • Each Now exists independently like photographs

Rovelli's Event-Based Universe

  • World is made of events, not things
  • Time is stripped from fundamental equations
  • Arrow of entropy arises from human perspective
  • Time is a viewpoint, not a property of reality

The Present Moment Is in Our Minds

  • Specialness of 'now' not found in physics
  • Time experience is constructed by consciousness
  • Leads to exploring how minds build human time

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