# Gaurav Tiwari's Blog to help you do better in learning, earning and making things

Read my articles on Education, Business, Tech, Social Media, E-commerce, Cryptocurrency and Growth Hacking. Additionally, discover some of the best tutorials, free tools, blogging guides, marketing tips, how-to's and growth hacks.

## Largest Prime Numbers

What is a Prime Number? An integer, say $p$ , [ $\ne {0}$ & $\ne { \pm{1}}$ ] is said to be a prime integer iff its only factors (or divisors) are $\pm{1}$ & $\pm{p}$ . As? Few easy examples

## Albert Einstein and His introduction to the Concept of Relativity

Albert Einstein This name need not be explained. Albert Einstein is considered to be one of the best physicists in the human history. The twentieth century has undoubtedly been the most significant for the advance of science, in general, and Physics, in particular. And Einstein is the most illuminated star

## Derivative of x squared is 2x or x ? Where is the fallacy?

We all know that the derivative of $x^2$ is 2x. But what if someone proves it to be just x?

## Solving Ramanujan’s Puzzling Problem

Consider a sequence of functions as follows:- $f_1 (x) = \sqrt {1+\sqrt {x} }$ $f_2 (x) = \sqrt{1+ \sqrt {1+2 \sqrt {x} } }$ $f_3 (x) = \sqrt {1+ \sqrt {1+2 \sqrt {1+3 \sqrt {x} } } }$ ……and so on to \$ f_n

## Its a Mystery! – Simulacrum in Eagle Nebula

This is one of the top mysteries of universe.

## Scientific Temper in Indian Students

Read these two facts: There are 49 billionaires in India. There are 73 Nobel Laureates in MIT. I have heard people talking about the quality of education in India. Everyone assumes that it is in poor condition. Then what? Who made this “condition”? In 2009, V. Ramakrishnan won a chemistry

## Elementary Particle Physics

Particle physics is the study of Particles, from what everything is made of. In this section of physics we study the fundamental particles that make up all of matter, and their mutual interaction. Everything around us is made up of these particles, you may say, made up of fundamental building

## 20 Most Endangered Rivers in the World

Well in today’s era where we all are just running to meet our deadlines and progressing at a massive rate, we are forgetting that we are mere tenants on this planet Earth. It is so aching to see natural water bodies dying just because of human intervention and growing industrialization.

## Introduction to the Universe

Stars The universe is vast and amazing. There are many millions of trillions of stars in the sky, most of them being bigger than our sun. Stars account for 98% of the matter in a galaxy. The rest of 2% consists of interstellar or galactic gas & dust in a

## HTML Codes for Mathematical Symbols and Signs. A tool for Science bloggers

HTML codes are very important for bloggers and are a must for Science bloggers. With the help of it, they can enhance their blog by decorating the articles. Mathematical signs and symbols are extremely important to post a perfect article. Here is a concise list of signs/symbols generally used. Important!