The word capital, in politics/geography, refers to the town or city that is the official center of a country's government:

Washington D.C. is the capital of the U.S.

The word capitol is very specific - it refers to a building or complex of buildings where the government meets to make laws.

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The capitol building in the U.S.

London is the capital of England.

In economics, the word capital refers to wealth (money and/or property) belonging to a person or company. A business that is just beginning needs start-up capital (an amount of money to get started).

We also have capital letters (ABC) - the big letters that are different from lowercase letters (abc).

Capital and capitol are pronounced the same.

Smartphone Photography Tips and Tricks

Harness HDR Mode

Dynamic range the range of light intensities a camera can capture in the one photo while preserving detail tends to be a weak point in smartphone cameras. In scenes with both dark and bright areas, such as a shadowed forest, its difficult to capture detail in the shadows and highlights at the same time. This is where HDR mode, or high dynamic range mode, comes into play. HDR mode takes two images of different exposures near-simultaneously, and then combines them to produce one image that has higher dynamic range than the sensor can normally achieve. On most smartphones, this is something you can and should enable when the scene youre photographing has widely varying contrast. The difference in photos can be vast, especially on Samsung smartphones where the HDR mode is particularly effective.