Question 10: In winter time, the bubbles tend to freeze – would that affect the performance?

There is no problem with frozen bubbles in cold winter. It normally takes place near the outer layer inside the cavity. In fact, when bubbles are frozen, they seal the air even better. A lot of people tend to think that when bubbles freeze, they will burst. No, that will not happen unless they are crashed by physical force. I have a video to prove that bubbles do not burst when freezing happens:

By Jun Aubrey Zhang

Since obtaining PhD in Electrochemistry in 1994, I have been through many things, such as post-doctoral research work using STM to study atomic level electrodeposition of Cd on Ag(111) surface at UIUC (Urbana-Champaign at University of Illinois), lifetime free-lance preaching, CEO of TheoLogos Publications and PyraPOD Global Inc, former salesman of diamond tools for Superprem Industries, former CEO of DiaSolid Kitchen & Bath, finishing carpenter, working for CRE Green, a solar company in Kelowna, BC. Now I have started this new business along with Richard Nelson, designing and manufacturing PyraPODs. After all these experiences, my life motto is this: sharp mind must combine with skilful hands. With my wife Margaret we have three kids - Riley, Grace and Anita.