Have a go at answering the following questions. Click on 'solutions' to see the answers!
Who famously exclaimed 'Eureka!' in his bath, after working out he could use water displacement to work out the volume and density of the king's crown?
Who was the first to discover that the Universe is in fact expanding?
Who invented the light bulb?
who invented the telephone?
For what is John Logie Baird famous for inventing?