Science

WHAT IS ELECTROSTATICS? : Introduction, Frictional Electricity, Kinds of Charges Let us know about electrostatics. Electrostatics is a branch of physics that deals with the phenomena and properties of stationary or slow-moving electric charges. Then Let us know about frictional electricity. The substances which acquire charges on rubbing are said to be ‘electrified’ or charged. These terms are derived from the Greek word elektron, meaning amber. The electricity produced by friction is called frictional electricity. If the charges in a body do not move, then, the frictional electricity is also known as Static Electricity. Next we will deal with Two kinds of charges. They are positive and the negative charges. First of all a glass rod is rubbed with a silk cloth,...

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Hello Physics: Most Important Semiconductor | 5 Hours Marathon | Mahendra Singh Hello Physics | NEET Physics | Physics | Class 11 | Class 11 Physics | Physics Class 11 | Unacademy NEET | Unacademy Physics | Mahendra Sir Unacademy | NCERT | NCERT Physics | CBSE | CBSE Physics | Marathon l Most Important Semiconductor. Mahendra sir brings to you all a Marathon session Most Important Semiconductor. Learn in detail about Most Important Semiconductor To Find Relevant Videos on this Topic Check the Playlist Below. Hello Physics is a YouTube Channel dedicated to all curious physics lovers. This channel will be your one stop solution to understand all the concepts of Physics. Through creative content and in-depth explanation, we aim at making everyone fall in lo...

The superconductor breakthrough that could mean an energy revolution We’ve finally made a room-temperature superconductor, so materials that transport electricity without wasting any of it are within our grasp Technology ...

Quantum internet signals beamed between drones a kilometre apart By Matthew Sparkes Drones have been used to send quantum internet signalsHua-Ying Liu et al Entangled photons have been sent between two drones hovering a kilometre apart, demonstrating technology that could form the building blocks of a quantum internet. When a pair of photons are quantum entangled, you can instantly deduce the state of one by measuring the other, regardless of the distance separating them. This phenomenon, which Albert Einstein dismissively called “spooky action at a distance”, is the basis of quantum encryption – using entangled particles to ensure communications are secret. Quantum networks are far more secure than the existing internet because any attempt to...