Learn what flux is in soldering from expert Jeff Koskulics in this Howcast video. Flux is a very important part of soldering. Flux is necessary to reduce the oxides that tend to form whenever you have hot metals in contact with the air. In electronics, we use a rosin-core solder or a mild solder or water-soluble solder.
Charles Dickens wrote, It was the best of times, it was the worst of times.... Of course, In A Tale of Two Cities, Dickens was speaking about London and Paris in the time before and during the French Revolution.owever, it is possible for the current time to always be the best of times in some respects and the worst of times in others if we presuppose that times have been getting worse in some respects since the beginning of time and better in some respects since the beginning of time. So we could speak of invariant trends.
We're in the midst of a better run than the stock market surges in the 1970s and 1980s, according to an analysis by Bespoke Investment Management. But there's still a long way to go for this bull market to become the best of all time. That prize belongs to the great stock marathon from December 1987 to March 2000. That lasted an incredible 4,494 days -- double the current bull market. It took the bursting of the tech bubble to bring it down.