Long Exposure Photography
I began playing with exposure over the last couple of years, mainly in late-night, near-darkness environments. And this year, with the addition of an ND filter of 10 stops, have begun to also be able to play around with it in daylight.
Anything other than a fraction of a second is considered long exposure, when you are trying to manipulate the image to blur or prolong an effect for the purpose of the picture. I have been shooting with shutter speeds of up to 30 seconds, which is great fun and opens your mind up to a whole new world of possibilities.
You begin to ask yourself what the camera might see (or not see) when you play in such a way with the exposure and being proved right or wrong is a wonderful learning experience.
For example the above is a five second exposure as a bus passes me by early morning downtown Tampa.
Anything that challenges our mind to consider things that our eyes cannot see becomes a fundamental part of our learning experience.