Charles ‘Chuck’ Yeager was an American Air Force Officer and test pilot known for his historic breaking of the sound barrier in 1947. Test your knowledge of this supersonic flight pioneer with these multiple choice questions...

How many of the NATO phonetic alphabet’s twenty-six code words can you recognise in one minute? For each letter, simply select the correct word from the list..

Every element in the period table has a symbol but some are more obvious than others. Can you name these ten elements from their chemical symbols?

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...