Map of driving directions from Spring, TX to Houston, TX. Click here to show map. Drag the line on the map to calculate the driving distance for a different route. If you want to verify these driving directions or look for another possible route, you can try. Google Maps, Bing Maps, or MapQuest.
The second (symbol: s) (abbreviated s or sec) is the base unit of time in the International System of Units (SI).
The second law of thermodynamics states that whenever energy is transformed from one form to another form, entropy increases and energy decreases. In other words: over time, differences in temperature, pressure, and density tend to even out in a horizontal plane, but not in a vertical plane due to the force of gravity.