Ready References
A Guide to Backyard Astronomy
Binoculars: Halfway to a Telescope
Choosing Binoculars for Astronomy
Celebrated Variable Stars
Overview of Motion Control
Coating of Surfaces: Evaporation and Sputtering
Easy Prototyping
Ready References A Guide to Backyard Astronomy Binoculars: Halfway to a Telescope Choosing Binoculars for Astronomy 
Celebrated Variable Stars 
Overview of Motion Control 
Coating of Surfaces: Evaporation and Sputtering Easy Prototyping