Instructions: 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.
Input: This can be calculated with the Gibbs-Thompson or Young-Laplace equation, given the mean curvature of an interface. This quantity is related to the density change between liquid and vapor phases by the MacLeod Equation and it can be measured with a stalagmometer by the drop-weight method. Decreasing with increasing temperature, it is high in molecules exhibiting hydrogen bonding. Represented by gamma, FTP, identify this chemical concept, the cohesive force that must be overcome for a liquid drop to spread.
Output:
Science