Physics and Maths
Check out these bizarre and barely-believeable mathematical surface models.
Charles Babbage's Analytical Engine, conceived in 1834, is one of the startling intellectual feats of the nineteenth century. Trace the story of the man widely regarded as the great ancestral figure of computing.
The time by which we all live is now maintained by incredibly accurate atomic clocks. Find out how they work, why we need their accuracy and how they may become even better in the future.
Christiaan Huygens spent years devising new mechanisms to improve timekeeping, including the pendulum and the balance wheel and spring - devices which governed almost all clocks and watches for the next 300 years.
Find out about the development of early public clocks, from the 14th century examples at Salisbury and Wells to the 19th century mechanism which operates Big Ben.