A Queensland University of Technology (QUT) physics lecturer has found a 99-year-old mistake in the Oxford English Dictionary - and is having it corrected. Dr Stephen Hughes said he had discovered last year that the dictionary's definition of the word siphon, and most other dictionaries', was incorrect. Dr Hughes said the Oxford English Dictionary (OED) since 1911 had incorrectly stated that atmospheric pressure was the operating force in a siphon when in fact it was gravity. Read more