Although the game of Monopoly existed before the Parker Brothers edition, the company (now owned by Hasbro) has still claimed intellectual property rights over various aspects of the game, though it has not always prevailed in the courts.
Both the CVD and HPHT processes are also used to create designer optically transparent diamond anvils as a tool for measuring electric and magnetic properties of materials at ultra high pressures using a diamond anvil cell.
Emperor Wu significantly reduced the economic influence of great merchants by openly competing with them in the marketplace, where he set up government-managed shops that sold commodities collected from the merchants as property taxes.
In light of this, a group of 1500 properties in the area was given Conservation Area status, and Plumbe's northern section of the estate was granted Article Four Direction by Michael Heseltine, Secretary of State for the Environment, preventing any alterations to the external appearances of the properties without planning permission, in recognition of its architectural and historic interest.
Mathematical relativists seek to understand the nature of singularities and the fundamental properties of Einstein's equations, and increasingly powerful computer simulations (such as those describing merging black holes) are run.