Precision engineering includes design methodology, uncertainty analysis, metrology, calibration. error conditions, precision controls, precision design, actuators, sensors in industries such as micro-electronics, automotibiles and vehicles, optics, photonics, mems, nano-technology, machinery, machine tools and home design, building architecture and building construction. Important high tech areas are engineering including mechanical rngineering, electrical engineers, optical and industrial engineers, materials science, academia, physics, labs, chemistry, mathematics and computer science. PrecisonDesign also suggests you visit the NationalScienceFoundation.com and for astronomy information you can proceed to Moonshot.com web site...