One major drawback of using experiments is that the outcome might not be the outcome that is desired or another one is that it has a low realism and that experiments wont find out or specify 'why' the outcome occurred
Magnetic compass, caravel, astrolabe, sextant, and Mercator’s projection to make it possible for the exploration to happen
Many Americans of goodwill who want to reduce poverty believe that race is no longer relevant to understanding the problem, or to fashioning solutions for it. This view often reflects compassion as well as pragmatism. But we cannot solve the problem of poverty -- or, indeed, be the country that we aspire to be -- unless we honestly unravel the complex and continuing connection between poverty and race.
