QUANTUM PHYSICS MANIA

  Hyperentanglement Explained: What Is It and How Does It Change Quantum Physics? Hyperentanglement is when particles become entangled in  more than one property at once —for example, spin   and  momentum, or polarisation  and  energy-time—and in this article, we’ll walk through how it works, the landmark experiments that proved it, real-world uses, and the hard engineering problems we still have to solve. Read on, and we’ll make this strange quantum stuff feel tangible. Pre-Read: Core Concepts You Should Know Before Hyperentanglement To  truly appreciate  hyperentanglement experiments , it is helpful to understand a few key tools and techniques that physicists employ . Don’t worry—you don’t need a PhD. If you’ve done high school physics, these will click. 1. Spontaneous Parametric Down-Conversion (SPDC) SPDC  occurs within a  nonlinear crystal , a specialised  optical material. When a laser beam (with very energetic photons) e...

Quantum Teleportation: Can It Really Transport Matter and Information Instantaneously? Quantum teleportation is a term that might sound like something out of a science fiction movie , but it's actually a real concept that scientists have been working on for many years. At its most basic level, quantum teleportation is a way to move the properties of one particle to another particle that's far away, without physically moving the particle itself. This is done through the magic of quantum entanglement . Quantum entanglement is a strange phenomenon that occurs when two particles become connected in a way that's difficult to explain. When particles are entangled, their properties become linked, so that when one particle is observed, the properties of the other particle are instantly determined, no matter how far apart they are from each other. Quantum teleportation works by first creating a pair of entangled particles, called the "entangled pair". One of these particl...

Can Entangled Particles Really Communicate Faster Than the Speed of Light? Quantum entanglement is a strange phenomenon in which two particles become connected in a way that's difficult to explain. When two particles are entangled, their properties become linked, no matter how far apart they are. This means that if you measure one particle, it will instantly affect the other particle, even if they're on opposite sides of the universe. Scientists have been studying entangled particles for decades, and they've discovered some really strange things. One of the most surprising discoveries is that entangled particles can communicate with each other faster than the speed of light . This might sound like science fiction, but it's actually true. When two particles are entangled, they become part of a single system . This means that if you change the state of one particle, the other particle will be affected as well. Scientists call this "spooky action at a distance." ...

The Paradox of Entanglement: How Two Particles Can Be Connected Across Space and Time? Quantum entanglement is a strange and mysterious phenomenon that occurs between tiny particles called atoms. When two atoms are entangled, it means that they are connected in a special way that scientists don't fully understand yet. This connection is so strong that even if the atoms are very far away from each other, they still act like they are connected. When something happens to one of the entangled atoms, it affects the other atom at the same time, even if they are on opposite sides of the universe. Scientists call this "spooky action at a distance" because it seems like magic, but it's actually real. The paradox of entanglement is that even though the two entangled particles may be far apart in space and time, they are still connected. This goes against the laws of classical physics, which say that objects can only affect each other if they are in direct contact. However, in t...