shahkar jalal

Joined October 2025

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The Physics of Gravity: Is It a Force or Geometry?
What Is Gravity? A Simple Definition At its most basic level, gravity is the phenomenon by which mass and energy influence motion. Any object with mass attracts other objects with mass. The larger the mass, the stronger the effect.
By shahkar jalal29 days ago in Education
Why Are Neutrinos Called “Ghost Particles”?
What Are Neutrinos? Neutrinos are subatomic particles that belong to the family of elementary particles, meaning they are not made of smaller components (as far as we know).
By shahkar jalal29 days ago in Education
How Does the Universe End? 5 Scientific Scenarios (Explained)
1. Big Freeze (Heat Death): The Most Likely Ending What Is the Big Freeze? The Big Freeze, also known as Heat Death, is currently the most widely accepted scientific theory for the fate of the universe. According to this scenario, the universe continues expanding forever — but that expansion eventually leads to a cold, dark, and lifeless cosmos.
By shahkar jalalabout a month ago in Education
Quantum Computers: How They Break Traditional Rules
What Is a Quantum Computer? A quantum computer is a machine that uses quantum mechanics—the physics of atoms and particles—to process information.
By shahkar jalalabout a month ago in Education
How Do Gravitational Waves Work?
What Are Gravitational Waves? In simple words: Gravitational waves are ripples that stretch and squeeze space itself, created by massive objects moving or colliding.
By shahkar jalalabout a month ago in Education
Could We Harness Energy from Black Holes?
What Makes a Black Hole a Power Machine? It may sound strange that something known for absorbing everything could also release energy. But the truth is:
By shahkar jalalabout a month ago in Education
Quantum Tunneling: How Particles Break the Rules
What Is Quantum Tunneling? To understand tunneling, imagine a ball rolling on the ground. If the ball does not have enough energy to climb over a hill, it stops and rolls back. It cannot magically appear on the other side.
By shahkar jalalabout a month ago in Education
What Is Spacetime? Understanding Einstein’s Greatest Idea — A Simple Guide for Everyone
What Exactly Is Spacetime? Before Einstein, people saw space and time as two different things: • Space was where things were located.
By shahkar jalalabout a month ago in Education
The Physics of Nothing: How Vacuum Isn’t Really Empty — A Simple Guide to the Universe’s Most Mysterious Substance
What Do We Mean by “Vacuum”? In everyday life, a vacuum means a space without air. For example: • A vacuum cleaner removes air.
By shahkar jalalabout a month ago in Education
Parallel Universes: Do Other Realities Exist? — A Simple Guide to One of Science’s Biggest Mysteries
What Are Parallel Universes? A parallel universe is a hypothetical reality that exists alongside our own universe. Think of it as a separate world, with its own space, time, matter, and maybe even versions of you.
By shahkar jalalabout a month ago in Education
Dark Energy: Why the Universe Is Expanding Faster
What Exactly Is Dark Energy? Despite the name, dark energy is not darkness. It is simply “dark” because scientists don’t know what it is made of.
By shahkar jalalabout a month ago in Education
Dark Matter: The Invisible Skeleton of the Universe
What Is Dark Matter? Dark matter is a mysterious form of matter that does not emit light, absorb light, or interact with electromagnetic radiation. This means we cannot see it with telescopes. It is completely invisible.
By shahkar jalalabout a month ago in Education