A new episode is now available at the "Cool Met Stuff" channel on the Observatory webpage and "MyObservatory" mobile application (programme is broadcasted in Cantonese). Have you heard of α-particles, β-particles, X-rays, gamma rays and neutrons? We will briefly explain what ionizing radiation is in this episode.
You are welcomed to visit the Observatory's "Cool Met Stuff" channel to enjoy the programme (broadcast in Cantonese):
Please also refer to the following webpage for the broadcast schedule of various TV channels: