shahkar jalal

Joined October 2025

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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
The Higgs Boson: How It Gives Mass to Everything
What Is the Higgs Boson? The Higgs boson is a fundamental particle linked to a field that spreads across the entire universe, known as the Higgs field. It was predicted by physicists Peter Higgs and others in the 1960s as part of the Standard Model of particle physics, the framework that describes how particles interact.
By shahkar jalalabout a month ago in Education
What Caused the Big Bang?
What Exactly Was the Big Bang? The Big Bang was not an explosion in space — it was the rapid expansion of space itself. All matter, energy, space, and even time emerged from an extremely dense point.
By shahkar jalalabout a month ago in Education
Why the Speed of Light Is the Universe’s Ultimate Limit
What Is the Speed of Light? The speed of light in a vacuum is: 299,792,458 meters per second ≈ 300,000 km per second
By shahkar jalalabout a month ago in Education
The Physics Behind Wormholes: Are They Real or Sci-Fi?
What Exactly Is a Wormhole? A wormhole is a hypothetical tunnel that connects two different points in space and time. You can think of it as a shortcut through the universe.
By shahkar jalalabout a month ago in Education
How Black Holes Bend Space and Time
What Is a Black Hole? A black hole is a region in space where gravity is so strong that nothing can escape its pull. This includes:
By shahkar jalalabout a month ago in Education
Can Time Travel Ever Be Possible According to Physics?
What Is Time Travel? Time travel means moving through time differently than normal. Instead of experiencing time one second at a time, you would jump across years, centuries, or even millions of years.
By shahkar jalalabout a month ago in Education
What Is Quantum Entanglement and Why Einstein Called It “Spooky”?
What Is Quantum Entanglement? Quantum entanglement occurs when two or more particles become linked, so that the state of one particle is instantly connected to the state of the other — no matter how far apart they are.
By shahkar jalalabout a month ago in Education
The Arrow of Time: Why Time Only Moves Forward
What Is the Arrow of Time? The arrow of time is a concept describing the one-directional flow of time. You can think of it like an arrow flying from a bow: it always moves forward, never backward.
By shahkar jalalabout a month ago in Education
Why Does Venus Rotate Backward Compared to Other Planets? Exploring the Mystery of Retrograde Rotation
1. What Is Retrograde Rotation? A planet’s rotation refers to how it spins around its axis. Most planets in the solar system, including Earth, spin prograde, meaning they rotate counterclockwise when viewed from above the Sun’s north pole. This aligns with their orbital direction around the Sun.
By shahkar jalalabout a month ago in Education
What Caused the Big Bang, and What Existed Before It? Exploring the Origins of the Universe
1. Understanding the Big Bang A. What the Big Bang Is The Big Bang is not an explosion in the conventional sense but rather a rapid expansion of space itself. Approximately 13.8 billion years ago:
By shahkar jalalabout a month ago in Education