There is a point where taking technology for granted hides some of the incredible capabilities of seemingly simple devices. Optical mice are a great example of this principle, using what are more or ...
Infrared cameras can be used to spot useful information that our eyes can't see, such as gases escaping from a pipeline, ...
int S1=0, S2=0, S3=0, S4=0, S5=0, S6=0; ...