Why can't aircrafts "stay" in mid-air and wait for the earth's rotation to bring us to our destination? The latest episode of "Cool Met Stuff" will explain why.
The video is now available on the "MyObservatory" mobile application and the Observatory's website for your viewing (programme is broadcasted in Cantonese).
Observatory's "Cool Met Stuff" channel (broadcast in Cantonese):
Broadcast schedule of various TV channels: