On April 10, 2019, a team of scientists made history by capturing the first ever image of a black hole. This remarkable picture occupied headlines worldwide, and rightfully so – we never thought we would ever be able to capture a black hole in an image that can be passed around the world…
Mean field game (MFG) theory studies the strategies of agents of a large population in a competitive environment…
Since 1841, Hong Kong became an important port of trade. In order to ensure smooth port operations and safe navigation of ships, there was a need to provide accurate time service…
In the previous issue, we learned that to meet the needs of ocean navigation, the British invented the marine chronometer to help captains accurately ascertain the longitude of the ship to ensure safe navigation. In spite of the high accuracy of the marine chronometers, they needed to be calibrated regularly, and this came to depend on a time service provided by major ports…