What is this?You have just seen a slippery oily magnetic fluid called Ferrofluid. Though the working principles and material compositions are complicated, the basics are very simple. Tiny nanoscale ferromagnetic particles are suspended in oil or water. Each particle is coated with a surfactant to inhibit clumping. A surfactant is a substance that lowers the surface tension between liquids or between liquid and a solid. Ferrofluids usually do not retain magnetization in the absence a magnet or a magnetic field.Steve Papell of NASA developed the fluid in the 1960’s in response to the need for moving fuel in space where ... Read More

Many people love summers but most hate the heat. Therefore, air conditioners have been one of the most favourite electrical appliances in the dog days of summer. Nonetheless, air conditioners consume enough electricity and manufacturers have been fiercely fighting to diminish the electricity consumption of air conditioners.If you notice carefully, you’d find many air conditioner advertisements that focus on low electricity consumption. It is important because saving energy is not only important for environmental sustainability, but electrical appliances also need to be light on the pocket.Now, if we say air conditioners can run without electricity too, will you be impressed? ... Read More

In a world where big-screen devices are all the craze, how about getting a camera that comfortably fits one’s palms, and yet manages to click pictures large enough to give even the widest screens in the world a run for their money? Yes, you guessed it right! We are talking of 360-degree cameras that- as per their names- can take a 360-degree view snapshot.Ricoh Theta- $399The feature about Ricoh Theta that immediately arrests your attention has, interestingly, got to do with not the specifications but the price. Keeping in mind what this camera can do, it comes at a jaw-dropping ... Read More

To provide energy for nearly 7.2 billion people on earth itself is a huge task, and most of the energy needs today is met through the use of fossil fuels. The International energy agency estimated that in 2012, the world energy consumption was 13, 371 Mtoe , or 5.6 × 1020 joules. Oil is still the primary source of energy. However, during the period of 2000–2012, coal was the source of energy with the largest growth in terms of usage. The use of other fossil fuels and electricity followed that trend.We can see the disadvantages of using too much fossil ... Read More

Have you ever faced such situations where two of your subordinates indulged in infighting on most of the matter? Whether taking the work or discussing any important stuff, they always pointed out each other’s mistakes and do not hesitate to complain you on every occasions. And when those resources are vital to the project then those situations can double your worries, isn’t it?Workplace conflicts are common and inevitable as each employee has their own attitude, ideas, and style of working. So while working together often their differences clashes and when that goes beyond the tolerance limit the conflict erupts.Conflicts may ... Read More

HTTP state is a Python3 script that visualizes web curl(1) statistics. This script is written in a single file without a dependency. This article explains about How to Use http stat to Find out a Website’s PerformanceInstalling httpstatThere are two ways to install httpstat on Ubuntu as shown below−Download the script directly.Through Python pip.Installing from ScriptTo install httpstat from direct script, use the following command−$wget https://raw.githubusercontent.com/reorx/httpstat/master/httpstat.pyThe sample output should be like this −--2016-12-19 11:27:18-- https://raw.githubusercontent.com/reorx/httpstat/master/httpstat.py Resolving raw.githubusercontent.com (raw.githubusercontent.com)... 151.101.100.133 Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|151.101.100.133|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 10577 (10K) [text/plain] Saving to: ‘httpstat.py’ httpstat.py ... Read More

Google advises its Adsense Publishers to switch ad formats as more number of Adwords advertisers tend to target these ad sizes. Hence, more competition will be there among the advertisers and it will lead to higher eCPMs, thus translating it into increased earning to the owners of the website.As per the statistics, the best performing banner size is 300×250 medium rectangle and 336×280 large rectangle. That’s not all, in addition to standard IAB units, the Adsense program does support the custom sized ads which may be bigger than large rectangular ads. But, the big question is – will they perform ... Read More

From time to time, clearing browsing history on chrome is a good habit, many do it as this particular action of theirs, help protect their privacy and prevent everyone having access to their personal computer from collecting information about them by having a glance at their browsing history.Chrome browser offers the best erase tool which lets you delete your browsing logs from the beginning or day, week or month. However, if you wish to delete your history selectively or if you want to delete one particular site or few sites from Chrome memory.Chrome Browsing HistorySimilar to other web browsers, Google ... Read More

Online blogging and digital marketing has turned out to be exponentially more important in a period of social media and networking. Blogging is one of the most effective approaches to connect with the world, whether you blog to connect on an individual level with others or blog to help promote a business. There are many free blogging sites which offers better opportunities for better development, exposure, and monetization.Here’s a list of some of the best blogging sites that are currently available for you to choose the right platform if you want to be an active blogger.WordPressWordPress is the most popular ... Read More

Google Chrome is the most widely used browser which promises speed, simplicity, and security for its users. Here are some time preserving tips that you don’t know and could enhance your user experience with Chrome in more fun, productive and intuitive manner.The Address Bar of Google Chrome is named Omnibar or Omnibox as you can use it for a lot of things, not just for typing in a website’s address.Use Omnibar as a Basic CalculatorYou can type in simple calculations and get results just like search suggestions. For example, if you enter ‘5*10=’ you’ll see a dropdown where the calculation ... Read More