Saturday 20 April 2019

Digital NOMAD

What is digital NOMAD?

These people travel from place to place, and use only digital platforms to earn money.



Warning!
Travelling experience makes the whole world an work place, even though it sounds like the dream come true its not easy. You can earn money on YouTube, blogger and other ways online, but its not stable.



Planning required to be a digital NOMAD:

1) Necessary travelling Visa documents: you get only tourist visa.

2) Better cook your own food

3) Book cheap places in the surrounding to stay.

4) Find a motivating work space with wifi

5) If you make any saving find suitable investment plan for your retirement.

6) Keep a track of currency valuation from country to country.


How much an average digital NOMAD earn?

About 500 to 800 Euros a month...

Wednesday 10 April 2019

Short Note: Black hole image released on 10/04/2019 (EHT)

Astronomers breakthrough imaging of a black hole via Event Horizon Telescope, with a big collaboration has been successful. 
What is a basic black hole ?
A black hole is basically a huge massive dead star, surrounded by a huge accretion disk of gas and dust, which travels close to speed of light. In the black hole gravity is so large not even light (which has zero mass) can escape from it. The surface of the back hole is called event horizon (point of no return), beyond which you see a burning ring in the picture below, this is called photon sphere (basically a shadow of light), caused by bending of light around the heavy objects in space-time (or gravity being space time curvature -> which is Einstein's General Theory of Relativity). 

picture credits : EHT

The black hole targeted is located in a galaxy called M87, which is billions and billions of kilometer away fro us. The mass of this monster black hole is 6.5 billion times that of our sun. This photograph was taken by a network of 8 telescopes and has proved Einstein's 100 year old general theory of relativity is correct yet again!

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