自十九世紀開阜以來，航運是香港的經濟命脈。要確保港口運作暢順和船隻航行安全，必須提供準確的報時服務、氣象觀測和地磁觀測…
Tag: science-community
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Hong Kong Meridian (I)
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…
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Global Response to Climate Change
From 1901 to 2012 there was a warming trend in almost every corner of the world, which was caused mainly by human activities…
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Challenges in Weather Forecasting
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…
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Prophecy Fulfilled?
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…