It affects any observational quantity whose detectability diminishes with distance. These numbers prioritize the failure modes (together with probability and detectability). Exposing their spots may increase detectability by their predators. These offer another way to reduce detectability, and may provide electromagnetic near-invisibility in designed wavelengths. Flying at sunset, mostly performed by males, significantly increased the detectability of the species. There are also various aircraft with reduced detectability, either unintentionally or as a secondary feature. Somehow these various immunities also affect her detectability from higher order technological equipment. Second to detectability, as a priority was rejecting noise and background. In addition, she studies the impact of stellar activity on the detectability of planets. To minimize detectability, The Machine feeds him numbers in coded messages through public telephones. What is the effect on the detectability of the target? See also some new detectability conditions developed over sensor networks.