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Gravity EduGames, Crayon Physics

Posted by absnet on 21 January 2010

These games based on the laws of physics, especially gravity and is suitable for children from elementary school  to adults.

Crayon Physics, a simple 2D game,  with simple pictures of crayons. For the first time you see this game, you may not be interested, because usually only children who love to play with crayon. But behind its simple appearance, this game is interesting to play, we will be invited to think and solve existing problems.

This 2D game based on simple physical laws, namely gravity. The main objective is to hit star picture with a ball that was provided. To hit the stars, we can draw things like lines, boxes, rocks, chains, boards and so on. Because of limited movement of ball (straight or falling down according to gravity), then we must think how can we make the ball reach the stars there.


Players can create objects to move the ball. For example by making a simple lever, dropping the rock / box, making rope winding, making it swing to hit the ball and so on.

All objects drawn will fall down, and all fall will look natural, like there really earth’s gravity. not only that, all the objects will interact with the image objects around them, in accordance with the force of gravity. Making a program like this would require knowledge / good physics knowledge. This game was  winner in the Independent Games Festival 2008.

Freeware lovers, maybe a little bit disappointed, that because this game is not free, sold at a price of $ 19.95. But since 1 year ago, we can get the full version of this game whatever price we want until January 15, 2010 (the creators call this Buy the Game Pay what you want). So even though we pay for with $ 0.1, $ 1 or $ 5 you can get this game. Payments made with Paypal. Purchases can be made from http://crayonphysics.com.

For those of you who do not have the funds (in the paypal account), wants to try, or do not have time to get cheap promotion dates above, you can download the demo version that can be played up to level 2 (there are around 18 levels that can be executed) Download Demo (approximately 24 MB ). For the full version you can run around 80 levels. In this game also provided the editor, so users can create levels or play with their own difficulty level.

If you have sons and daughters who often use computers, there is no harm in giving this game, to bring their thinking and develop their thinking ability.


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Converting Audio – Video Files to 3GP or 3G2 for Cell Phone

Posted by absnet on 19 January 2010

For those who are accustomed to terms of audio-video conversion, perhaps audio-video conversion to be executed on Mobile Phone is no problems at all. For those who have not, the following tips is written for easy conversion that can be played at Mobile Phone. Usually it use 3GP or 3G2 format.

Conversion using a free program called SUPER, because its features are abundant and supports many audio-video formats.

In early 2010, Super 2010 version has been released. This new version includes some additional features and improvements than v2009.build.36 (June 10, 2009). For those who do not have SUPER program, it can be downloaded from FileHippo SUPER v2010 build 37 ( 27.57 MB). Download and then install in your computer.

After you install SUPER, then you’re ready to convert you audio – video files. Run SUPER by clicking shortcut available, then follow this steps :

  1. Enter audio – video files to be converted, you can use Ctrl+A or right click and choose  Add Multimedia File(s) menu, or you can drag and drop files from windows explorer to SUPER program. 
  2. Choose 3GP format, and choose your Mobile Phone type( usually 3GP format is for  GSM network, and 3G2 for CDMA). If your Mobile Phone type is not available, you can try any type that work for your Cell phone.
  3. To get the best result, try to activate “DirectShow Decode”, optionally you can  give  watermark in video result. To open this menu, after  DirectShow Decode menu checked, click small icon beside it.

    You should remember, that not all PC can support directShow, depend on whether DirectShow codex installed or not. If DirectShow is not success, remove this option.
  4. Video format can be arrange as our need. If you choose Disable Video, then the result will only consist of sound. For  Video Scale size, set with our Mobile Phone screen size.  Frame/sec can be arranged too, for relatively good result, it’s about 25 fps (PAL). If you choose higher, output size is higher too.
  5. For  AUDIO option, you can leave the default value. Or if you want to increase or decrease the quality (sampling Freq and Bitrate). Channel 1, means mono and 2 means Stereo.
  6. Choose output setting by right clicking  SUPER and choose  Output File Saving Management menu, with Red Disc icon.
  7. After everything set, process the conversion by clicking  Encode (Active files).

    Maybe you should try another option to get the best result you want. With experiences, you can have a reference of the best output result

SUPER support many input format, audio and video. For complete SUPER features, please visit erigSoft

Download SUPER v2010 build 37 ( 27.57 MB)
Reference : http://en.wikipedia.org/wiki/3GP

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Small Free Converter: Switch

Posted by absnet on 13 January 2010

Today with many devices (gadget) exist such as : Mobile phone, MP3/MP4 player, Ipod and many others, sometimes we need the audio conversion software. As we already know, there are many software exists, both commercial and freeware. But if we can get the freeware with many features, and it’s enough for our needs why still looking for commercial and expensive software?. One of them is Switch, even there is the commercial version with enhanced features, but I think the free is enough.

Switch audio file conversion software is a sound file format converter for Windows or Mac. It can convert audio files from many different file formats into mp3, wav or wma files including wav to mp3, mp3 to wav, wma to mp3 and much more (see the supported formats list below).


Supported File Formats
Converts a variety of audio file formats to mp3 or wav such as:

  • wav, mp3, mp2, mpga,
  • m4a, ogg, avi, mid
  • flac, aac, wma, dct,
  • au, aiff, ogg, raw,
  • msv, dvf, vox, cda,
  • atrac, gsm, dss, sri
  • shn, dss, msv, wmv
  • wav, mp3, au
  • aif/aiff, gsm, vox
  • raw, ogg, flac
  • aac, mp2, m4a,
  • .mov, .amr
  • and many more formats.

Other Features

  • Automatically normalize audio while converting.
  • Import multiple file formats at the same time and convert to one output format.
  • Ability to play tracks prior to conversion.
  • Import and convert a playlist (m3u and pls).
  • MP3 encoder supports constant or variable bit rates from 8 to 320kbps with optional error correction and stereo modes.
  • WAV encoder supports sample rates between 6000 and 196000Hz in PCM as well as a number of other audio codecs.
  • Allows up to 32000 files to be converted in one batch.
  • Can be run from the command line for automation with other applications.
  • Optimized CPU usage and efficient code allows for fastest conversion times.
  • Switch Sound File Converter integrates directly with other sound software programs including:Express Burn for CD Recording, Express Rip for Direct CD Ripping, WavePad for Sound File Editing, RecordPad for Professional Sound Recording and

If the above features still don’t fulfill your needs, just buy the commercial version, Switch plus.

For more information or download see here Or Direct Download Switch (381 KB). Some format need the codec installed in your computer. For example convert ram/rm, maybe you need to install Real Player first. You can also get the codec or additional components here.

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Free Mac Utility Application you should have

Posted by Hari Saryono on 1 April 2009

Here’s a huge list of Mac Utility Application which will simplify your life. It can’t be easier.

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Posted in gadget, Mac, Review | Tagged: , | 1 Comment »

Ferrari Zobin Concept

Posted by Hari Saryono on 30 March 2009

Labelled the Zobin concept, the uniquely styled car concentrates a large portion of its efforts on aerodynamic design. The original front-end structure is the distinguishing feature, supporting the headlights and front spoiler while giving the nose an ‘open-wheels’ appearance similar to the Ferrari F1 car.

The defining feature of the Zobin is its small size. At just 1855 mm (73 inches) wide, and 4114 mm (162 inches) long the Zobin is over half a metre (nearly 2 foot) shorter than a Ferrari Enzo. Inside the Zobin is a single, central seating layout just like the Ferrari F1 race car. The exterior design is characterized by the original front structure made of a metal band, which supports the headlights and integrates the front spoiler and the front fenders, and gives the car an "open-wheels" look. Powering the Zobin concept is a compact engine positioned behind the cockpit.

But it’s not all about aesthetics, the futuristic Ferrari will have performance to match. Reaching top speeds of over 200mph, the Zibon will have pace unlike any Ferrari before it thanks to an ultra-efficient, mid-rear positioned high performance engine.


About the Designer

Siamak Ruhi Dehkordi (33 years old), from Iran, graduated in mechanical engineering 10 years ago and now work for local company.

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