Many of history’s greatest inventors have become household names. See how much you know about these pioneers who changed the world with their inventions.

Widely regarded as one of the greatest scientists in history, Albert Einstein has become synonymous with the word ‘genius’. Test your knowledge of the famous physicist with these multiple choice questions...

Various scales and charts have been developed to measure everything from the pungency of peppers to the intensity of earthquakes. Test your knowledge of some of them with these multiple choice questions...

Undoubtedly one of our greatest inventions, the personal computer has played an increasingly important role since invading our lives in the early 1980s. See how much you know about these iconic machines with these multiple choice questions...