Since the early development in the 19th century, shipping has been the lifeblood of Hong Kong’s economy. To ensure smooth port operations and the safe navigation of ships, an accurate time service, meteorological observations and geomagnetic observations had to be provided...

From 1901 to 2012 there was a warming trend in almost every corner of the world, which was caused mainly by human activities...

Since ancient time, human’s livelihood is tightly related to weather. Farmer’s harvest depends on weather. As early as in the Shang Dynasty (13th century BC), there were written records of weather observations and weather predictions on oracle bone inscriptions…

The first discovery of gravitational waves was made during the first so-called observation run, extended stretches of data taking, between September 2015 and January 2016. During this first observation run, Advanced LIGO made two detections of gravitational waves, both originating in the collision of two black holes…

Kinetic equations are widely used in many important areas such as rarefied gas, plasma physics, astrophysics, and have also seen a host of new applications such as semiconductor device modeling, environmental, social and biological sciences…

Information and communication technology (ICT) keeps advancing at a skyrocketing speed and complexity. Meanwhile, many developed societies are seeing an ageing population as a result of advancement in modern medicine as well as improvement in nutrition and public health…

Cancer is undoubtedly one of the most dreaded maladies known to humans. It is defined as a condition where cells proliferate uncontrollably. Besides surgery, conventional cancer treatments include radiotherapy and chemotherapy that aim at selectively killing cancer cells…

China, the UAE and the US had successfully launched their Mars probes during the launching window in July last year. After more than half a year of space travel, the three Mars probes, namely, "Tianwen-1" of China, "Hope" of the UAE and "Perseverance" of the US have arrived their destinations and started their missions…