For a financial journalist, one of the major challenges of the past couple of years has been to convey the scale of the numbers we are dealing with on a daily basis. What is a billion dollars? How many penny sweets can you buy with it? Pints of milk? And we know a trillion is bigger, but how much bigger?
An innovative and practical attempt to solve this problem has been recognised with one of the greatest international accolades, an IgNobel prize.