You will be given a definition of a task first, then some input of the task.
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

The maximum energy of these things created by a given voltage is given by the Duane-Hunt law. Like electrons, they were discovered using a Crookes tube. Riccardo Giacconi won his Nobel Prize for figuring out how these could be used in astronomy, and Max von Laue won his Nobel Prize for work on the diffraction of these things. These things were used by Rosalind Franklin to make an image of DNA molecules, and these are measured by the Chandra Observatory. This electromagnetic radiation is more energetic than ultraviolet light but less energetic than gamma rays. Name this radiation discovered by Wilhelm Rontgen, used to observe bones.
Output:
Science