I'm a Celebrity...Get Me Out of Here! (UK TV series) services) for the celebrity they would like to complete a "Bushtucker Trial" – a physical task usually involving snakes, spiders or other creepy-crawlies found in the jungle – and, later in each series, to vote for the celebrity they would like to see win the show. The last remaining celebrity after all others have been evicted is declared the winner of the show, and is branded "King/Queen of the Jungle". Bushtucker trials are used in the show to allow the contestants to gain food and treats for camp. Bushtucker Trials take two formats: eating trials, or physical/mental tasks. In the
Clutter (radar) radar return (backscatter) from a region of clutter is a knowledge of the volume or surface illuminated and the echo per unit volume, η, or per unit surface area, σ° (the backscatter coefficient). In addition to any possible clutter there will also always be noise. The total signal competing with the target return is thus clutter plus noise. In practice there is often either no clutter or clutter dominates and the noise can be ignored. In the first case the radar is said to be Noise Limited, in the second it is Clutter Limited. Rain, hail, snow and chaff are