Dark Energy
The rate of expansion of the universe is increasing however, scientists have no explanation of why. The force of gravity should be slowing it down, but we have concluded that...
The Great Mathematical Problems – by Ian Stewart
Covering some of the most intriguing mathematical problems, this book gives a detailed insight into the history and applications of mathematics. The problems introduced became famous either because they took...
Incredible Numbers – by Ian Stewart
In this book, Stewart provides a detailed insight into some of the lesser-known properties of certain numbers as well as looking at numbers which at first looked boring or insignificant....
Finding the Circumference of Earth
Eratosthenes made an estimate of the circumference of the earth over 2000 years ago. Using measurements of the angle of shadows in just 2 places, his calculations produce a surprisingly...
The invention of numbers – by Peter Bentley
Giving a detailed account of the history of mathematics, covering the philosophical and scientific basis of our number system, this book is an entertaining and informative read. The 15 chapters...
Transistors
Making computers possible, transistors were invented in 1947. They are used as switches and amplifiers in circuits and are key to controlling flow of current. (more…)