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04-May-2017 23:21

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The first step in analyzing an image involves a logical analysis, an area in which humans typically perform much better than computers—at least for now.“Computers are very good at measuring this fine grain details like compression artifacts and inconsistencies in geometry,” says Farid.“But if someone created a picture of a boat sailing down the middle of the road, a computer might not see anything wrong with that.” Look at an image closely and examine objects that may have been inserted, or look for evidence that other objects may have been removed.Farid warns against zooming in too far, however, because that can introduce its own obstacles.Some of the most useful fossils for dating purposes are very small ones.

Upload your own photos to the tools and you can see where they appear on the web.

Some fossils, called index fossils, are particularly useful in correlating rocks.

Absolute dating methods are not always useful; the particular circumstances to which they apply do not exist at every. The classroom exercises below will focus on stratigraphy and seriation, dating techniques used by. Level I earliest pictures of fire blackened rocks in a rough circle suggesting a hearth; scattered stone.… continue reading »

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