My friend Per Ervland nurtures his practical skills by crafting a solution to relieve him and his wife from the rather cumbersome task of keeping their container garden alive. I helped him with some of the inner workings.
I have written an open-source program to convert Norwegian SOSI map data files into the more widely used Shapefile format.
Get razor sharp macro shots with a system camera and a couple of gadgets. The tehcnique is called focus stacking.