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1. US Patent No. 5,172,875  ;  Israel Fried,  22 December 1992  Title: Space Launcher and Method for Launching Objects Into Space. 


2.   Site describing the activities of a center dedicated to Prof. Aharon Katzir in Weizmann Institution for Science, Rehovot, Israel:  

3.  For information about Aloney Yitzhak click: http://www.knay.alona.k12.il/ 

 

4. For the site of Mr. J. Barbour, that talks about "The End of Time" click : http://www.edge.org/3rd_culture/barbour/barbour_index.html 

 

5.  For the article in the journal of Nature, that discuss the possibilty that the speed of light is higher than c, click: http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v418/n6898/full/418602a_fs.html