"Cool Met Stuff": Formation of ice or frost?

30 January 2026

While both ice and frost formation are caused by changes in water, the conditions for their formation and the underlying principles are different. The new episode of "Cool Met Stuff" will introduce the differences between these two phenomena that only occur in winter.

The video is now available on the "MyObservatory" mobile application and the Observatory's website for your viewing (programme is broadcasted in Cantonese).

Welcome to view "Cool Met Stuff" from this link (broadcast in Cantonese).
Broadcast schedule of various TV channels can be found here.