The number Pi (the ratio of the circumference to the diameter of a circle) can't be expressed as a fraction, this means it is an irrational number. When written as a decimal it never repeats and never ends.
A 'googolplex' is the number 1 followed by a googol zeros, this number is so big that it can't be written because there isn't enough room in the universe to fit it in! It would also take a length of time far greater than the age of the universe just to write the numbers.
Madagascans have a number of traditional pastimes. Moraingy is a type of hand-to-hand combat, tolon-omby the wrestling of zebu cattle, is also popular in regional areas. While fanorona, is a famous a board game invented there.
The Vietnamese worship a number of cultural symbols, such as the Vietnamese dragon (mythical holy dragon), the lac (mythical holy bird), the turtle and the horse.
A number of prominent manufacturing and technology company's were founded in Sweden including Ericsson, Volvo, Saab, Scania trucks, IKEA and Electrolux.
A number of multinational technology corporations have setup European headquarters in Ireland helping to make it one of the largest exporters of hardware and software-related goods and services in the world.
There have been a number of influential English authors but perhaps the most well known is William Shakespeare, who wrote classics such as Romeo and Juliet, Macbeth and Hamlet.
Helicopters have a number of limitations. They can be noisy, vibrate a lot and aren't as fast as fixed-wing aircraft.
Psychologists can specialize in a number of different fields, resulting in possible careers as a medical psychologist, behavioral psychologist, educational psychologist, health psychologist, forensic psychologist, social psychologist and more.