http://www.asme.org - American Society Of Mechanical Engineers(ASME)

http://www.optimumdesign.com - Optimum Design Associates

http://www.aiaa.org - American Institue of Aeronautics and Astronautics(AIAA)

http://www.aopa.org - Aircraft Owners and Pilots(AOPA)

http://www.eaa.org - Experimental Aircraft Association

http://www.moital.gov.il/NR/exeres/5E686BBF-13C5-415F-ADB7-65803822901D.htm - Israel Chief Scientist, Ministry of Industry

http://www.technologyreview.com - Technology Review

http://www.solarelectricpower.org - Solar Electric Power

http://en.wikipedia.org/wiki/Engineering - Wikipedia, Engineering

http://www.electronics-cooling.com - Electronic Cooling Magazine

http://usa.autodesk.com/ - Autodesk http://www.solidworks.co.il/ - SolidWorks Israel