“…Hartwell has suggested that metaphors and analogies are both the basis of scientific discovery and a fundamental by-product of science communication which commands viewers' perception of the unknown. 40 For instance, Al-Khalili explains atom-splitting and a nuclear chain reaction by dropping a ping-pong ball in a box with 120 mousetraps, each loaded with another ping-pong ball. To materialise the impact of radiation, he then puts a green plant in a radiation accelerator.…”