Monday, January 12, 2026

Time, Spacetime Expansion, and the Question of Infinity

Time, Spacetime Expansion, and the Question of Infinity

A Pressure–Curvature Perspective
Time slows near massive objects. Space expands across the cosmos. Space and time are not separate entities, but part of a single structure we call spacetime. These ideas, established by relativity, have reshaped our understanding of the universe. Yet deep questions remain: What is time, really? Does it ever stop? Is the universe finite or infinite?
In this article, I reflect on these questions through the lens of the Pressure–Curvature Law of Gravity (PPC Gravity), which interprets gravity as a pressure-driven phenomenon arising from mass–energy density.

Time Near Black Holes: Does It Stop?

Near black holes, gravitational time dilation becomes extreme. To a distant observer, clocks close to an event horizon appear to slow dramatically, approaching zero rate. This effect is well established in General Relativity.
However, this does not mean that time literally becomes infinite or stops everywhere. For an observer falling into a black hole, time proceeds normally in their local frame. What we observe is relative time dilation, not an absolute halt of time.
In PPC gravity, this extreme time dilation is interpreted as the result of very high gravitational pressure, which produces strong spacetime curvature and slows the passage of time relative to distant regions.

Space and Time Are One

Modern physics teaches us that space and time are unified as spacetime. They cannot be separated physically.
Motion through space affects time.
Curvature of space implies curvature of time.
Expansion of space is inseparable from the evolution of time.
PPC gravity fully adopts this view. Gravitational pressure acts on spacetime as a whole, influencing both spatial geometry and temporal rates simultaneously.

Spacetime Expansion and Cosmic Evolution

Observations show that the universe is expanding. Galaxies move apart as spacetime itself evolves.
Within PPC gravity, this expansion can be understood as the large-scale redistribution of gravitational pressure and curvature. High-pressure conditions dominate early cosmic epochs, while pressure gradually weakens and spreads, allowing spacetime to expand and flatten locally.
Expansion, however, does not automatically imply infinity. Growth and infinity are not the same.

Is the Universe Infinite?

One of the most common misconceptions is that expansion proves the universe is infinite. In reality, expansion describes how spacetime changes over time, while infinity concerns the global size or topology of the universe.
Current observations cannot definitively determine whether the universe is finite or infinite. From a pressure-curvature perspective, weak curvature and low pressure allow spacetime to appear nearly flat over vast distances, but this alone does not establish infinity.

Multiverse: Possibility, Not Proof

Some cosmological models propose multiple causally disconnected regions of spacetime, often described as a multiverse. In pressure-based language, such regions could arise where gravitational pressure becomes extremely weak and causal interaction ceases.
However, multiverse scenarios remain theoretical hypotheses, not experimentally confirmed facts. PPC gravity allows discussion of such possibilities but does not claim them as proven.

Finite Spacetime, Infinite Appearance?

It is logically possible that spacetime has a finite causal structure while the universe appears unbounded within observational limits. Whether this is true remains an open question. PPC gravity reframes the issue in terms of pressure distribution and curvature rather than purely geometric abstraction.

Final Thoughts

Extreme gravity shows us that time can slow dramatically, spacetime can curve intensely, and cosmic evolution is deeply tied to mass–energy. PPC gravity offers a physically intuitive way to understand these phenomena by identifying pressure as the causal link between energy and geometry.
What remains unresolved, whether the universe is infinite or whether multiple universes exist, should be treated with humility. These are questions at the frontier of physics, not settled conclusions.

Key Takeaway

Time dilation, spacetime expansion, and cosmic structure can be understood through gravitational pressure, but the infinity of the universe and the existence of a multiverse remain open scientific questions.

Pawan Upadhyay
Independent Researcher
Pawan Upadhyay's Pressure–Curvature Law of Gravity (PPC Gravity)

Friday, January 2, 2026

Uses of Pawan Upadhyay’s Pressure–Curvature Law of Gravity and Pressure Waves in Computer Science

Uses of Pawan Upadhyay’s Pressure–Curvature Law of Gravity and Pressure Waves in Computer Science

Why a Gravity Theory Matters to Computing

At first glance, gravity and computer science seem unrelated. But modern computer science increasingly deals with networks, flows, optimization, simulation, intelligence, and complex systems—exactly the kinds of problems where pressure, gradients, curvature, and waves are powerful metaphors and mathematical tools.
Pawan Upadhyay’s Pressure–Curvature Law of Gravity (PPC Law) introduces gravity as a pressure-driven system, offering new ways of thinking that naturally map onto computational models.
This blog explores how PPC gravity and pressure waves can be used conceptually and practically in computer science.

1. Algorithms & Optimization

Pressure as a Cost Gradient

In PPC gravity:
motion follows pressure gradients,
systems evolve toward equilibrium.

In computer science:
optimization algorithms follow cost gradients,
systems evolve toward minimum energy or cost.

Applications:
gradient descent,
convex optimization,
constraint satisfaction,
routing algorithms.

Insight:
Optimization = motion through a “pressure landscape.”

2. Graph Theory & Network Science

Curvature in Networks

Spacetime curvature in PPC gravity maps naturally to:
network curvature,
graph geometry,
information flow constraints.

Applications:
social networks,
internet topology,
transportation and communication graphs.

Pressure interpretation:
high-traffic nodes = high pressure
data flows follow pressure gradients

3. Artificial Intelligence & Machine Learning

Learning as Pressure Minimization
In PPC gravity:
systems move to reduce pressure imbalance

In AI:
models train to reduce error pressure
loss functions act like pressure fields

Applications:
neural network training,
reinforcement learning,
energy-based models.

Pressure waves analogy:
backpropagation resembles wave propagation through a network

4. Distributed Systems & Load Balancing

Pressure-Based Resource Allocation

In computing:
overloaded servers = high pressure
idle servers = low pressure

Using PPC-inspired thinking:
workloads naturally flow from high to low pressure

Applications:
cloud computing,
microservices,
distributed databases.

Benefit:
More intuitive load-balancing strategies.

5. Simulation & Game Engines

Curvature-Based Motion

Game engines already simulate:
forces,
fields,
trajectories.

PPC gravity offers:
curvature-driven motion models,
pressure-based environment simulation.

Applications:
physics engines,
space simulations,
procedural universe generation.

6. Data Flow & Information Theory

Pressure Waves as Information Waves
In PPC gravity:
pressure waves carry dynamic information

In computer science:
data packets propagate like waves,
network congestion behaves like pressure buildup.

Applications:
network congestion control,
signal processing,
real-time streaming.

7. Computational Geometry

Curved Space Computation
Spacetime curvature maps to:
curved manifolds,
non-Euclidean geometry.

Applications:
graphics rendering,
VR/AR environments,
robotics path planning,
PPC gravity reinforces geometry-first thinking in computation.

8. Cyber-Physical Systems & Robotics

Motion Planning in Curved Environments

Robots operate in environments with:
force fields,
constraints,
dynamic obstacles.

Pressure-gradient motion in PPC gravity aligns with:
potential-field methods,
obstacle avoidance algorithms.

9. Complex Systems & Emergence

From Local Pressure to Global Order
PPC gravity shows how:
local pressure variations,
produce global structure and motion.

In computing:
local rules produce global behavior.

Applications:
swarm intelligence,
cellular automata,
emergent AI behavior.

10. Future Computing Paradigms

Physics-Inspired Computing

PPC gravity supports:
analog computing concepts,
wave-based computation,
spacetime-inspired architectures.

Pressure waves suggest new ways to think about:
signal propagation,
parallel computation,
distributed intelligence.

Why PPC Gravity Matters to Computer Science
Computer science is about flow, structure, and optimization—PPC gravity explains these using pressure and curvature.
It does not replace algorithms or architectures, but:
(i) improves intuition
(ii) inspires new models
(iii) unifies concepts across disciplines

Final Takeaway
Pawan Upadhyay’s Pressure–Curvature Law of Gravity and Pressure Waves provide a powerful conceptual toolkit for computer science—linking optimization, networks, AI, simulation, and distributed systems under a single pressure-based framework.
As computing moves toward AI, massive networks, simulations, and cyber-physical systems, ideas inspired by pressure and curvature may shape how we design the next generation of intelligent systems.

One-line summary
PPC gravity offers computer science a pressure-based way to understand optimization, networks, learning, and information flow.


Additional Uses of PPC Gravity & Pressure Waves in Computer Science

11. Scheduling & Operating Systems

Pressure-Based Task Scheduling

In operating systems:
CPU load, memory usage, and I/O wait act like pressure,
Tasks move toward available resources.

PPC-inspired view:
High-load cores = high pressure,
Scheduler redistributes tasks along pressure gradients.

Applications:
real-time OS scheduling,
multi-core load balancing,
energy-efficient scheduling.

12. Database Systems & Query Optimization

Pressure Fields in Data Access

In large databases:

frequently accessed tables = high pressure,

idle data = low pressure.

Uses:
query optimization,
index placement,
distributed database sharding.

Pressure waves analogy:
sudden query spikes propagate as “pressure waves” through the system.

13. Search Engines & Ranking Algorithms

Curvature-Based Ranking

High-authority pages create “information curvature”,
Data flows toward regions of higher relevance.

Applications:
PageRank-like algorithms,
recommendation systems,
semantic search,
PPC gravity inspires geometry-based ranking models.

14. Cybersecurity & Network Defense

Pressure as Threat Density

Attack traffic = high pressure,
Secure regions = low pressure.

Uses:
anomaly detection,
DDoS mitigation,
adaptive firewall rules,
Pressure-gradient responses enable self-balancing security systems.

15. Blockchain & Distributed Ledger Technologies

Pressure Waves in Consensus

Transaction congestion creates pressure,
Consensus waves propagate across nodes.

Applications:
transaction prioritization,
fee optimization,
network scalability modeling,
PPC waves help visualize latency and propagation delays.

16. Quantum Computing (Conceptual Level)

Curved State Space

Quantum systems evolve in abstract state spaces.

PPC analogy:
probability density ↔ energy density,
state transitions ↔ geodesic motion,
interference ↔ pressure waves.

Useful for:
intuition,
visualization,
hybrid quantum–classical simulations.

17. Computational Neuroscience & Brain-Inspired AI

Pressure-Based Neural Activation

High neural activity = high pressure,

Signals propagate as waves.

Applications:
spiking neural networks,
brain simulation,
neuromorphic computing,
Pressure-wave thinking aligns well with biological realism.

18. Information Flow in Social Media & Opinion Dynamics

Social Pressure Waves

Viral content = high information pressure,

Ideas propagate as waves across networks.

Uses:
trend prediction,
misinformation detection,
influence modeling.

19. Digital Twins & Smart Cities

Curvature of Urban Systems

Smart cities involve:
traffic flow,
energy consumption,
communication networks.

PPC-inspired modeling:
congestion = pressure,
rerouting = pressure-gradient flow,
system shocks = pressure waves.

20. Autonomous Systems & Swarm Intelligence

Self-Organizing Motion

Swarm systems rely on:
local rules,
global coherence.

PPC gravity insight:
local pressure differences produce global motion,
no central controller needed.

Applications:
drone swarms,
robotic fleets,
autonomous traffic systems.

21. Software Architecture & System Design

Pressure-Driven Refactoring

tightly coupled modules = high pressure,
loose coupling = low pressure.

Uses:
software modularization,
performance bottleneck detection,
architecture optimization.

22. Education & Visualization Tools

Teaching Abstract Concepts

PPC gravity provides:
intuitive metaphors for algorithms,
visual explanations for flow & optimization.

Useful for:
CS education,
algorithm visualization,
interdisciplinary learning tools,

Key Insight for Computer Science :

Computer systems behave like pressure-driven universes:
local density creates pressure, gradients create motion, and waves carry information.

PPC gravity offers a unifying mental model across:
algorithms,
networks,
AI,
distributed systems,
and future computing paradigms.

Important Scientific Note :-

PPC gravity is used conceptually and metaphorically in most CS applications
It does not claim physical gravity acts inside computers
Its strength lies in abstraction, modeling, and intuition

One-line takeaway :-

PPC gravity provides computer science with a pressure–curvature framework to model flow, optimization, intelligence, and large-scale system behavior.



Engineering Applications of Pawan Upadhyay’s Pressure–Curvature Law of Gravity (PPC Law of Gravity) and Pressure Waves

Engineering Applications of Pawan Upadhyay’s Pressure–Curvature Law of Gravity (PPC Law of Gravity) and Pressure Waves

(A New Way for Engineers to Think About Gravity)

Gravity is everywhere in engineering — from satellites in orbit to skyscrapers on Earth — yet it is usually treated as a background force rather than a physical process. Pawan Upadhyay’s Pressure–Curvature Law of Gravity (PPC Law) offers a new way to understand gravity: not as a mysterious attraction, but as a pressure-driven phenomenon that naturally produces curvature, motion, and waves.
This blog explores how this pressure-based view of gravity can be useful across engineering disciplines, especially aerospace, mechanical, civil, and future space engineering.

Gravity Reimagined as Pressure
In the PPC framework:

Mass density → Pressure → Field force → Curvature → Motion → Pressure waves

Instead of thinking of gravity as an abstract pull, engineers can think in familiar terms:
pressure,
force,
stress,
stability,
and wave propagation.

This aligns naturally with engineering intuition.

1. Aerospace & Aeronautical Engineering
Orbital Mechanics

In PPC gravity, orbits are explained as motion within a pressure-generated curvature field.

Satellites move because they respond to pressure gradients produced by massive bodies.

Orbital stability becomes a problem of pressure equilibrium, not mysterious attraction.

This perspective helps engineers visualize:
satellite constellations,
multi-body interactions (Earth–Moon–Sun),
orbital perturbations.

Spacecraft Navigation

Pressure-gradient interpretation supports:
clearer understanding of trajectory corrections,
gravitational disturbances,
weak-field environments in deep space.

2. Mechanical Engineering

Structural Loads and Stress
The PPC surface force concept,
connects gravity directly to pressure acting on area, a language mechanical engineers already use.
Applications include:
gravitational loading,
deformation analysis,
long-term stress in large structures.
Vibrations and Waves
Pressure waves in PPC gravity parallel:
mechanical waves,
elastic waves,
vibration modes.
This creates a unified way to think about mechanical and gravitational disturbances.

3. Civil & Structural Engineering

For large structures like bridges, towers, and dams:
gravity acts as a persistent pressure,
curvature explains long-term load distribution,
pressure-based thinking improves intuition about stability.
This is especially relevant for:
mega-structures,
underground construction,
long-duration infrastructure.

4. Geotechnical & Earth Engineering

Earth itself is a massive pressure system.
PPC gravity helps conceptualize:
crustal stress,
deep-earth pressure,
tectonic load distribution.
For geotechnical engineers, gravity as pressure feels natural and intuitive.

5. Energy Engineering

Gravity-Based Energy Storage
PPC gravity supports conceptual development of:
gravitational energy storage,
mass-elevation systems,
pressure-energy conversion ideas.
High-Density Energy Systems
The PPC framework defines a maximum-pressure regime, helping engineers think about:
safety limits,
structural failure,
pressure-induced collapse.

6. Ocean & Offshore Engineering

Deep-sea engineering already combines:
gravity,
pressure,
waves.
PPC gravity unifies these ideas into one conceptual framework, aiding:
submersible design,
offshore platform stability,
deep-water structures.

7. Robotics and Microgravity Engineering

In microgravity environments (ISS, Moon, Mars):
gravity corresponds to low-pressure states.
PPC gravity helps engineers understand balance, force calibration, and motion planning for robots.

8. Systems Engineering & Simulation

(Engineers build systems using causal chains.)
PPC gravity provides:
clear cause-effect flow,
better force-flow diagrams,
improved multiphysics simulation intuition.
This is valuable for:
digital twins,
AI-based simulations,
complex space systems.

9. Future Engineering Technologies
Gravity Sensors

(i) Pressure-based gravity suggests:
advanced gravimeters,
spacetime pressure sensing,
ultra-precise measurement tools.

(ii) Artificial Gravity & Space Habitats
Understanding gravity as pressure helps design:
rotating habitats,
artificial gravity systems,
long-term space living environments.

Why Engineers Will Like PPC Gravity

Engineers already think in pressure and force — PPC gravity speaks their language.
It does not replace Newtonian mechanics or General Relativity.
Instead, it adds physical intuition that makes gravity easier to visualize, simulate, and teach.

Final Thoughts

Pawan Upadhyay’s Pressure–Curvature Law of Gravity provides a conceptual bridge between physics and engineering. By interpreting gravity as a pressure-driven phenomenon, it unifies force, curvature, motion, and waves under a single physical idea — one that engineers instinctively understand.
As engineering moves toward space habitats, planetary construction, and advanced simulation, pressure-based gravity may become an essential way of thinking.

One-Line Takeaway

PPC gravity gives engineers a pressure-based understanding of gravity, enhancing intuition across aerospace, mechanical, civil, and future engineering systems.



Tuesday, December 23, 2025

Uses of Operations Research in Economic Science

Uses of Operations Research in Economic Science

Operations Research plays an essential role in modern economic analysis by providing quantitative tools to improve decision-making, optimize resource allocation, and analyze complex economic systems. Some major uses include:

1. Resource Allocation

O.R. models help economists determine the most efficient use of limited resources—capital, labor, land, and technology—to maximize output or minimize cost.

2. Economic Planning and Forecasting

National income forecasting

Demand–supply projections

Sector-wise growth estimation

Long-term economic planning
Techniques such as linear programming and time-series analysis improve forecasting accuracy.

3. Optimization of Production and Costs

O.R. helps identify optimal production levels, cost-minimizing input combinations, and efficient firm behavior under constraints.

4. Market Analysis and Pricing

Economists use O.R. tools to:

Analyze market competition

Optimize pricing strategies

Study consumer behavior

Model supply chain economics


5. Policy Formulation and Evaluation

Governments apply O.R. in:

Evaluating economic policies

Conducting cost–benefit analysis

Assessing welfare impacts

Optimizing tax structures and subsidy allocation


6. Financial and Investment Decisions

O.R. supports:

Portfolio optimization

Risk and return analysis

Interest rate modeling

Optimal borrowing and lending strategies


7. Transportation and Trade Economics

O.R. models help in:

Minimizing transportation and shipping costs

Designing optimal logistics routes

Analyzing trade flows and tariffs

Determining optimal supply chain networks


8. Public Finance and Budgeting

O.R. assists governments in:

Optimal budget allocation across sectors

Predicting fiscal deficits

Managing public debt

Planning welfare and development programs


9. Welfare and Development Economics

Allocation of resources in rural development

Poverty minimization strategies

Optimization of health, education, and infrastructure programs

Evaluating social welfare schemes


10. Environmental and Energy Economics

O.R. methods help address:

Optimal use of natural resources

Pollution control strategies

Energy demand forecasting

Designing sustainable economic systems


Wednesday, December 17, 2025

๐ŸŒŒ Extraterrestrials and PPC Gravity: A Pressure–Curvature Perspective

๐ŸŒŒ Extraterrestrials and PPC Gravity: A Pressure–Curvature Perspective

The question of extraterrestrial life—life beyond Earth—has fascinated humanity for centuries. Modern astronomy has revealed billions of galaxies, each containing billions of stars and potentially habitable planets. While biology determines how life forms, physics determines where life can exist.
In this context, Pawan Upadhyay’s Pressure–Curvature Law of Gravity (PPC Law) offers a new way to think about the cosmic environments in which extraterrestrial life may arise.

๐ŸŒ Life and Gravity: Why Gravity Matters

Life as we understand it requires:

Stable planetary orbits

Long-lived stars

Moderate energy flow

Predictable passage of time


All of these depend fundamentally on gravity.
If gravity were unstable or chaotic, complex structures—and therefore life—could not persist.

The PPC Law interprets gravity as arising from pressure generated by mass–energy, with curvature emerging as the geometric outcome. This provides a physical explanation for why stable cosmic structures exist at all.

๐ŸŒ  Galaxies as Life-Friendly Pressure Systems

In the PPC framework:

Galaxies are large-scale pressure–curvature structures

Pressure gradients bind stars into stable rotating systems

Long-term galactic stability allows planetary systems to evolve over billions of years


Since the same pressure–curvature dynamics operate everywhere, other galaxies may host environments similar to our own, making extraterrestrial life physically plausible.


๐Ÿช Planets, Pressure, and Habitability

On smaller scales:

Planets form within pressure-governed stellar systems

Moderate gravitational pressure supports stable atmospheres

Pressure-controlled time flow ensures consistent biological evolution


Extremely high pressure (near black holes) or extremely low pressure (in deep cosmic voids) would likely be hostile to life. However, intermediate pressure regions, like those around Sun-like stars, are ideal.


๐Ÿง  Time, Pressure, and Biological Evolution

In PPC gravity:

Higher pressure slows time

Lower pressure speeds up time


Life requires:

A steady and predictable rate of time

Stable chemical and biological processes


Planets located in moderate pressure environments experience stable time flow, enabling complex evolution. This suggests that extraterrestrial civilizations—if they exist—would most likely arise in regions similar to our own gravitational environment.


๐ŸŒŒ Extraterrestrials in a Multiverse (PPC View)

The PPC Law also allows for a multiverse, where:

Universes form through weakening pressure and curvature

Each universe evolves independently

Each universe has its own time evolution


In such a framework, extraterrestrial life is not limited to our universe alone. Other universes could contain:

Different pressure histories

Different physical conditions

Alternative pathways for life


This does not imply contact or communication, but it broadens the scope of where life might exist.


๐Ÿ”ญ Does PPC Gravity Predict Extraterrestrials?

Importantly:

PPC gravity does not claim proof of extraterrestrial life

It does not require extraterrestrials for validation


Instead, it states:

If life arises from stable physical conditions, then PPC gravity naturally allows such conditions to exist widely across galaxies and possibly across multiple universes.


This is a possibility framework, not a biological claim.


๐Ÿงช Science, Caution, and Evidence

Like all serious scientific approaches:

PPC gravity remains open to experimental verification

Extraterrestrial life remains an observational question

Astronomy, astrobiology, and SETI are required for evidence


Physics can explain where life could exist, but only observation can confirm whether it does.


✨ Final Thoughts

The PPC Law of Gravity provides a physically intuitive foundation for cosmic structure, time flow, and stability. Within this framework, extraterrestrial life is neither exotic nor surprising—it is a natural possibility arising from universal pressure–curvature dynamics.

Where pressure creates stable curvature, time flows predictably—and life may find a place to emerge.

Monday, December 15, 2025

๐ŸŒŸ Light as an Electromagnetic Wave vs. Curvature Wave (PPC View)

๐ŸŒŸ Light as an Electromagnetic Wave vs. Curvature Wave (PPC View)

Light has fascinated scientists for centuries. Modern physics describes light in two powerful ways: as an electromagnetic wave and, in the PPC (Pawan Upadhyay's Pressure–Curvature) Law of Gravity, as a phenomenon whose motion is governed by pressure-generated spacetime curvature.
These two views are not contradictory—they describe different aspects of the same reality.


๐Ÿ”Œ 1. Light as an Electromagnetic (EM) Wave

The electromagnetic nature of light was discovered by James Clerk Maxwell.

Key ideas:

Light consists of oscillating electric (E) and magnetic (B) fields

The fields are perpendicular to each other and to the direction of motion

Light does not require a medium

It travels through vacuum at a constant speed:


c = 299,792,458 m/s

What this explains:

Reflection, refraction, interference

Polarization

Radio waves, microwaves, visible light, X-rays, gamma rays

Communication technologies (radio, Wi-Fi, satellites)

๐Ÿ‘‰ Conclusion:
Light is an electromagnetic wave in its internal structure and propagation.

๐ŸŒŒ 2. Light as a Curvature-Guided Wave (PPC View)

The PPC Law of Gravity adds a gravitational interpretation.

In PPC:

Mass–energy creates gravitational pressure

Pressure creates spacetime curvature

Curvature determines the paths (geodesics) of matter and light


PPC insight:

 Light is not gravity itself, but its motion is guided by curvature produced by gravitational pressure.

Thus, light behaves like a curvature-guided wave in gravitational fields.

๐Ÿง  Important Clarification (Very Important)

๐Ÿ”น Light itself is NOT a curvature wave
๐Ÿ”น Light does NOT create curvature in the PPC sense
๐Ÿ”น Light remains an electromagnetic wave

Instead:

Curvature acts on light, not the other way around.

So in PPC:

EM theory explains what light is

PPC gravity explains how gravity affects light


๐Ÿ”„ 3. How the Two Views Work Together

EM View:

Describes the nature of light

Explains how light propagates

Governed by Maxwell’s equations


PPC Curvature View:

Describes the environment light travels through

Explains bending, delay, redshift

Governed by pressure-generated curvature


๐ŸŒ  4. Light Bending: The Perfect Example

EM theory alone:
Cannot explain why light bends near massive objects.

GR:
Says spacetime is curved.

PPC:
Explains why spacetime is curved:

Gravitational pressure bends spacetime, and light follows that curvature.

Thus, light appears to bend—not because it slows down locally—but because the geometry shaped by pressure changes its path.

⏱️ 5. Speed of Light in Both Views

Locally, the speed of light is always c

Gravity does not slow light directly

Apparent slowing is due to:

Time dilation

Curvature of spacetime

Pressure gradients (PPC interpretation)

Both EM theory and PPC fully respect this principle.


✨ Final Understanding

Light is an electromagnetic wave by nature

Light behaves like a curvature-guided wave in gravity

PPC gravity does not replace electromagnetism

PPC explains the gravitational environment in which EM waves travel


Final statement:

Light is electromagnetic in essence, and curvature-guided in motion.
PPC gravity explains the curvature; Maxwell explains the wave.

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(My ORCID Profile)

My Google Site :-

Light Pressure in Pawan Upadhyay's Pressure-curvature law of Gravity

Light Pressure in Pawan Upadhyay's Pressure-curvature law of Gravity: ...