Free Gravitational Software

Gravitational Lensing by Wouter Dhondt

Einstein's General Theory of Relativity demonstrates that a large mass can deform spacetime and bend the path of light. So, a very massive object, such as a cluster of galaxies can act as a gravitational lens. With this program, one can draw images to see the effect of gravitational lensing. You can easily test the effects of several parameters by changing them and redrawing the image.

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Powerful blog submitter with the built-in set of blog directories. Blog submitter allows you to submit your blog to 100 blog and RSS directories direct from your browser. No more manually adding your blog to directories. Save your time!

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PSP Video Express by PQ-DVD PSP Software

Create your own PSP movies video. Watch them on the go! This software converts video files for optimized playback on PSP. Fast conversion, plus advanced video editing can't be found elsewhere. Moreover, PSP Video Express helps to synchronize video between PSP and PC. Easy to use and designed for dummies. It shows pie chart of memory card usage. Keep your PSP video library, capture video thumbnails, change video title, etc.

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