Kesavan Muthuvel

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If The Universe Is 13.8 Billion Years Old, How Can We See 46 Billion Light Years Away?

There are a few fundamental facts about the Universe — its origin, its history, and what it is today — that are awfully hard to wrap your head around. One of them is the Big Bang, or the idea that the Universe began a certain time ago: 13.8 billion years ago to be precise. That’s the first moment …

Galaxies

UniMatrix

Python script to simulate the display from "The Matrix" in terminal. Uses half-width katakana unicode characters by default, but can use custom …

The Definitive Guide to Customizing the Tmux Status Line

I assume you already have a .tmux.conf file set up that is already being used. If not first look up setting up .tmux.conf or something similar.<p>Step …

Linux

7 Surprising Organs You Can Totally Live Without

The stomach is optional.<p>The human body is incredibly resilient. When you donate a pint of blood, you lose about 3.5 trillion red blood cells, but …

Wellness

What Is Time? A Simple Explanation

Time is familiar to everyone, yet hard to define and understand. Science, philosophy, religion, and the arts have different definitions of time, but …

Physics

Lmao: Command Line Russian Roulette For Linux and Unix Users - nixCraft

Russian Roulette is a fatal game of chance in which a player places a single round in a revolver, spins the cylinder, places the muzzle against their …

Linux

Turn your Raspberry Pi into homemade Google Home

Google Home is a beautiful device with built-in Google Assistant — A state of the art digital personal assistant by Google. — which you can place …

Raspberry Pi

Finally switching to vim

This article is just a selection of things I found helpful when switching to vim. So when someone asks for help because he or she wants to switch to …

Linux

No, Dark Energy Isn't An Illusion

In 1998, two teams of scientists announced a shocking discovery: the expansion of the Universe was accelerating. Distant galaxies weren’t just receding from us, but their recession speed was increasing over time. Over the next few years, precision measurements of three independent quantities — …

Dark Matter

Linux 4.x Tracing: Performance Analysis with bcc/BPF

Talk about bcc/eBPF for SCALE15x (2017) by Brendan Gregg. "BPF (Berkeley Packet Filter) has been enhanced in the Linux 4.x series and now powers a large collection of performance analysis and observability tools ready for you to use, included in the bcc (BPF Complier Collection) open source …

Ask Ethan: If The Universe Is Expanding, Why Aren't We?

One of the biggest scientific surprises of the 20th century was the discovery that the Universe itself is expanding. Distant galaxies recede from us and from one another more quickly than the nearby ones, as though the fabric of space itself is being stretched. On the largest scales, the matter and …

Universe

Empty Space Isn't Empty, And Quantum Researchers Now Have Direct Evidence

If there's one thing you need to know about the quantum world, it's that things aren't what you expect them to be. Nothing, for example. In classical …

Quantum Mechanics

3 to-do list managers for the Linux command line

There are dozens, if not more, tools out there that can help you manage your ever-expanding lists of tasks and to-dos. If you want to manage your …

Linux

Is Blockchain the Ultimate Open Source Disruptive Technology? | @CloudExpo #Cloud #FinTech #Blockchain | Cognitive Computing Journal

@ThingsExpo Blogs<p>By Jason Bloomberg<p>There is a fundamental flaw in how many people think about digital transformation. First, as we’ve written about …

How to Find Recent or Today’s Modified Files in Linux

In this article, we will explain two, simple command line tips that enable you to only list all today’s files. One of the common problems Linux users …

Command-line

Self-taught Software Developers: Why Open Source is important to us

<i>This is a story about how my perspective for Open Source changed through time and how it’s helping me with my career.</i><p>Introduction to Open Source<p>About …

Software Development

China is at the forefront of manipulating DNA to create a new class of superhumans

Would you want to alter your future children’s genes to make them smarter, stronger, or better looking? As the state of science brings prospects like these closer to reality, an international debate has been raging over the ethics of enhancing human capacities with biotechnologies such as so-called …

Molecular Biology

Minoca OS: A new open source operating system – Minoca

What is Minoca OS?<p>Minoca OS is a general purpose operating system written completely from the ground up. It’s intended for devices looking to …

2 Ways to Fix the Laptop Brightness Problem In Ubuntu

<b>Two quick ways to fix the everlasting Laptop brightness problem in Ubuntu.</b><p>Ubuntu always had issues with Laptop brightness. The default hardware …

What’s so special about special relativity?

Einstein’s first great revolution happened way back in 1905. It still puzzles many amateurs and professionals alike even today.<p><i>“Each ray of light</i> …

Solids Are Mostly Empty Space

Nucleus of an atom.<p>Our body is mostly empty space. A star, a planet, a chair, all these things are mostly empty space. These objects behave as if …

20 Powerful Ways To Use Grep Command

Grep is a popular unix command line utility on unix operating systems. It stands for Global Regular Expression Print. Knowing grep command can help …

Linux

10 Most Dangerous Linux OS Commands You Should Never Execute on your Machine

10 Most Dangerous Linux Commands<p>10 Most Dangerous Linux OS Commands You Should Never Execute on your Machine<p>Click To Tweet<p>Linux Terminal is one of …

How to change MAC address in Linux

Have you ever wondered how to change the MAC address of a network interface card in Linux? No? It’s okay, I will show you how. But wait, why would we …

How do I permanently erase hard disk? - nixCraft

I am going to sell my laptop soon. Before discarding my system, I want to make sure that no one should be able to use my personal data using any …

Next Thing Co Documentation

Welcome to The CHIP Operating System<p>We made a computer. <i>A $9 computer</i>. And every computer needs an operating system.<p>Ours is The CHIP Operating System. …

Linux

Installing a Desktop Environment on FreeBSD

Step 1. Choosing Between Ports and Packages:<p>FreeBSD offers two primary methods of downloading applications and system tools: packages and ports. …