3/4 The internal combustion engine, hailed as the answer to pollution in London, is born.
1/4 The first coffeehouse opens in Oxford and signals the beginning of a new age of reason.
2/4 The story of the man who made us all stop for a moment of peace at traffic lights.
4/4 Albert Einstein develops a theory of relativity with some help from his shaving mirror.
4/4 The light bulb and the first moving pictures appeared.
2/4 Charles Darwin is an international celebrity, but Gregor Mendel holds the key to heredity.
Adam Hart-Davis explores the history of the technology of Christmas.
3/4 Royal Physician William Harvey demonstrates that blood circulates around the body.
1/4 Huge advances in military technology would later fuel the race to the moon.