Princeton's WordNet(0.00 / 0 votes)Rate this definition: blase, worldly(adj) very sophisticated especially because of surfeit; versed in the ways of the world. the blase traveler refers to the ocean he has crossed as `the pond'; the benefits of his worldly wisdom. blase, bored(adj) uninterested because of frequent exposure or indulgence.
But in reality biology is much more complex than the physical sciences, and understanding it requires more, not less, brain work. Biological processes of course are consequences of physics and chemistry, which is why we require our biology students to study the physical sciences. But organisms are also historical entities, and that's where the complexities arise. The facts of physics and chemistry are constant across time and space.
This makes it more difficult for the layers to slide over each other, so alloys are harder than the pure metal. It is more difficult for layers of atoms to slide over each other in alloys. Copper, gold and aluminium are too soft for many uses. They are mixed with other metals to make them harder for everyday use.