If you buy stock with unsettled funds and then sell the stock before the cash settles, you've committed a good-faith violation. For example, imagine that on Monday you have nothing in your brokerage account except shares of a specific stock, which you sell that morning for $10,000. The trade will settle on Thursday.
Nuclear energy is one of the most reliable ways to generate electricity. Nuclear power stations can deliver predictable and consistent output for long periods of time. The reliability challenge for nuclear
There are already some great ways of generating electricity that are technically and economically feasible - Energy from Waste, wind, solar and water power - not to mention nuclear. The problem is that many people don't like them - in the same way that (rightly) many people don't like coal fired power generation.