In the 1860s, nitroglycerin was a commonly used explosive, but it was quite unstable and prone to spontaneous explosions, making it difficult for scientists to experiment with. While not every item on this list was immediately adopted by the masses, all of them are now used, or consumed, on a day to day basis. The orders are tracked on a real time basis and the customers are well versed about their product order. Yes, American fast food has made enroads elsewhere, and thus nations which had few ...