Alfred Nobel wasn't in the best of health but he knew he wasn't dead. Yet, there was his obituary, prominently featured in the morning newspaper. To make matters worse, not only had the newspaper...
All fireworks rely on a combustion process that has three basic requirements: some sort of fuel to burn, a supply of oxygen, and a source of energy to initiate the reaction between the fuel and the...
We have become familiar with the routine at airports. Your carry-on bags are passed through an x-ray machine after which an officer will often wipe your bag with a piece of fabric which is then...