You Can Approximate Pi by Dropping Needles on the Floor

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...
The New York Times

Climate and Environment

Several of the Earth’s systems are changing faster than predicted as global temperatures rise, scientists say. By David Gelles The suit accuses the agency of illegally repealing the endangerment ...
Cfr.org

Taiwan Explained: Why China Claims It, and Why the U.S. Is Involved

Differences over Taiwan’s status have fueled rising tensions between the island and mainland China. Taiwan is the likeliest potential flash point in U.S.-China relations. The People’s Republic of ...
Investopedia

Linear Relationship: Definition, Formula, and Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...