One of the early concepts taught in Chemistry is that of phases. That is, an element or compound can exist in a number of phases that exhibit different properties, yet maintain its original structure. We can illustrate this simply by comparing the phase changes of water, the most abundant compound on earth. Water can exist […]

Many entrepreneurs reduce an idea to practice, then try to develop the result into a business. As the process develops, the entrepreneur invests his own money or encourages supporters to participate in the game. As sales begin to grow, there becomes a need for more capital to finance inventory, advertising and other costs involved in […]