Mercury is the only common metal which is liquid at ordinary temperatures. Mercury is sometimes called quicksilver. It is a heavy, silvery-white liquid metal. It is a rather poor conductor of heat if compared with other metals but it is a fair conductor of electricity. It alloys easily with many metals, such as gold, silver, and tin. These alloys are called amalgams.
describe big data, so that you can speak intelligently about it when asked. So probably the main thing to recognize is this notion of the three V's of big data, which are volume, velocity and variety.
In fact, a good definition of data is facts or figures from which conclusions can be drawn. Data, information and statistics are often misunderstood. They are actually different things, as Figure 1 shows. Figure 1. Data collected on the weight of 20 individuals in your classroom. Data.