10 open source alternatives for paid onces

Using a windows computer has become costlier than is to buy a computer

Here are some of best open source alternative that make your lives easier. The best part of most of them is free upgrades to the latest version.

1. Operating System (OS)

I always suggest home users to go with LINUX based operating system. We can find drastic improvements to the LINUX based operating system. The best part of it is free upgrade to the latest version. I would suggest users to go with Ubuntu, famous LINUX based operating system.

2. Editing Tools

I would suggest users to go with Google Docs or Open Office. Both of the tools have proved to be a best counterpart of Office 2013 or Office 2014 MAC version. I see that both the tools almost have the same feature that are on Microsoft Office. I always recommend users to try Google Doc or Open Office. Open Office is suitable for users without internet and for those who have internet can go with Google Docs. Another advantage of Google Docs is storage, you can store the edited files in the cloud as safe as you can.

3. Compression Tools

I would prefer 7zip rather than Winzip or WinRar, which is found to be the most common among windows users. The best part of 7zip is that 7zip is backward compatible. You can use it to open any older or newer version of the compressed files. The other advantage is 7zip supports opening and compression of almost all the formats available.

4. Mail

Microsoft has even given its free tool that most of us don’t know. The Windows Live setup include a Windows Mail, which is a free alternative of Outlook, that has almost all the functions on Outlook, that we use commonly. Those who have moved to Windows 8 or Windows 8.1 have been using Mail tool and missing the “Archive function”, here is a small information for you. You can open the folder location  C:\Users\User\AppData\Local\Packages\microsoft.windowscommunicationsapps_XXX \LocalState\Indexed\LiveComm\XXX\XXX That folder must enclose a Mail folder. Inside the Mail folder you must have number folder 1, 2, 3, etc, the 1st folder has your windows mail’s and the rest in the other folders. You can search for older mails in that folder

Blowfish12@2014 blowfish12.tk Author: Sudharsun. P. R.

Race against time when a minute lasts 61 seconds!


Horologists around the world on Saturday will carry out one of the weirdest operations of their profession: they will hold back time.

The last minute of June 30, 2012 is destined to be 61 seconds long, for timekeepers are to add a “leap second” to compensate for the wobbly movements of our world.

The ever-so-brief halting of the second hand will compensate for a creeping divergence from solar time, meaning the period required for Earth to complete a day. The planet takes just over 86,400 seconds for a 360-degree revolution. But it wobbles on its axis and is affected by the gravitational pull of the Sun and Moon and the ocean tides, all of which brake the rotation by a tiny sliver of a second.

As a result, Earth gets out of step with International Atomic Time (TAI), which uses the pulsation of atoms to measure time to an accuracy of several billionths of a second.

To avoid solar time and TAI moving too far apart, the widely used indicator of Coordinated Universal Time (UTC) is adjusted every so often to give us the odd 86,401-second day.

The adjustments began in 1972. Before then, time was measured exclusively by the position of the Sun or stars in relation to Earth, expressed in Greenwich Mean Time (GMT) or its successor UT1. This will be the 25th intervention to add a “leap second” to UTC.

TAI is kept by several hundred atomic clocks around the world, measuring fluctuations in the atom of the chemical element caesium that allows them to divide a single second into 10 billion smaller bits. Every time the discrepancy between TAI and UT1 becomes too big, the International Earth Rotation and Reference Systems Service jumps into action and announces a “leap second”. The extra second is added to UTC, also known as Zulu time, only ever at midnight, either on a December 31 or a June 30.

Blowfish12@2012 blowfish12.tk Author: Sudharsun. P. R.

Road repair tech sees and fills cracks on the move


Repairing cracks in roadways is a costly and time-consuming job. So researchers have come up with an automated system to fill cracks in asphalt, which covers more ground in less time and could save money by extending the life of a road.

The new method is an automated pavement crack detection and refilling system developed by Jonathan Holmes and colleagues at the Georgia Tech Research Institute (GTRI). The device, which attaches to a vehicle like a trailer, uses a stereo camera and light-emitting diodes (LEDs) to detect cracks in the road. Once a crack is identified, it is sealed while the vehicle moves at a mere five kilometers per hour.

GTRI research engineer Jonathan Holmes said that the system works like a dot matrix printer, which dispenses dots of ink onto a piece of paper that moves through a reel. In the case of the crack sealing system, the road is the moving sheet of paper and nozzles attached to the device fire sealant into the cracks.


The device is able to identify more than 83 per cent of the cracks in the road with a vision system that uses red and green LED lights that spots cracks smaller than three millimeters wide. The cracks are photographed and detected within 100 milliseconds of being spotted by the cameras and are then sealed.

The system has already been tested on a roadway in Georgia and in parking lots with cracked asphalt. Researchers are now fine-tuning the image processing software used to identify cracks and they plan on scaling up the device for use in a four meter wide section of road.

Blowfish12@2012 blowfish12.tk Author: Sudharsun. P. R.