The dataset itself is available at the bottom of the page - "Download the data."
This page is a competition among data analysts/mathematicians to produce the most accurate predictive model, based on historical hospital admittance data, for finding people likely to enter a hospital in the next year - Giving preventative medicine a leg up by statistically determining the at-risk patients and decreasing the cost of care. Super cool!
Moore's law describes a long-term trend in the history of computing hardware whereby the number of transistors that can be placed inexpensively on an integrated circuit doubles approximately every two years.