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Albert Einstein

What is Brownian Motion? - New!

Dark matter

What is Dark Matter? Dark Matter in a Nutshell - New!

Gravity

What Happens: When an object is freely falling - New!

Isaac Newton

Isaac Newton was an alchemist ? Was Isaac Newton searching for The Philosophers Stone ? - New!

Light

Is light a particle or a wave? The great wave-particle struggle #1 - New!

Magnetic field

Understanding magnetic field in simple way - New!

Quantum Physics

Quantum Mechanics #1- The Origin

Quantum Mechanics #2- Planck's Quantum Theory

Quantum Mechanics #3- Classical Mechanics failed to explain Black Body Radiation, led Planck to the discovery - New!

Statistical Physics

BSc first year, Statistical Physics- Basics

Tesla

Nikola Tesla: Engineer and Inventor - New!

Thermodynamics

What is Carnot's Heat Engine ? Carnot's Cycle, Working and Efficiency| - New!

X-ray

Production , Properties and Uses Of X-Rays

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What is Dark Matter? Dark Matter in a Nutshell

Dark Matter in a nutshell  Introduction  The matter in which the modern scientists are higly interested in is the Dark Matter. So, what is Dark Matter? How it was formed? Who suggested the idea of Dark matter? How much amount of it is in the universe? Does it interact with other particles? What is Baryonic Matter? Can we detect dark matter or has anyone detected it till now? Let find out. Also subscribe the blog for email notifications. What is Dark Matter? Dark matter is a type of matter. Dark matter is called Dark because it does not appear to interact with electromagnetic field, which means it doesn't absorbs, reflect or emit electromagnetic radiations, and is therefore difficult to detect. Primary Evidences The primary evidence comes from the calculations done after studying about different galaxies in the universe.It was observed that may of the galaxies would fly apart, not move as they move or even do not form until and unless they contain a ...
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Nikola Tesla: Engineer and Inventor

The man who invented the 20th century is none other than Nikola Tesla. He is serbian-american inventor, electrical engineer, mechanical engineer and a futurist. Best known for Alternating current(AC) and electrical supply system. Nikola tesla  Born - 10 July, 1856. Died -  7 January, 1943 (83 years). Beginning with a quote of Nikola Tesla- " The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane. " Eidetic Memory  Tesla read many works. He can memorize complete books. He supposedly possessed a photographic memory. He was a polyglot, speaking eight languages: Serbo-Croatian, Czech, English, French, German, Hungarian, Italian, and Latin. Tesla related in his autobiography that he experienced detailed moments of inspiration. He often see blinding flashes of light before his eyes, also accompanied by visions. Many times the visions were related to the word or the idea that he was currently...
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Quantum Mechanics #2- Planck's Quantum Theory

INTRODUCTION  The failure of classical mechanics led Planck(in 1900) to the discovery that radiation is emitted in quanta whose energy is E=hν. In 1901, Planck was able to derive an empirical formula to explain the experimentally observed distribution of energy in the spectrum of a black body, on the basis of his revolutionary hypothesis known as quantum theory of heat radiation. This was the  Origin of quantum Mechanics(click here) Max Karl Ernst Ludwig Planck According to this theory, the energy distribution is given by This realtion agrees (and hence completely fit) with the experimental curves obtained. This formula of distribution of energy with wavelengths, on the basis of his quantum concept, was deduced using following assumptions, which may be called as Planck's quantum postulates. PLANCK'S QUANTUM POSTULATES  1) A black body contains the atomic oscillators capable of vibrating with all possible frequencies. An oscillator of frequency ν can...
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