Foil: Do you use it shiny side up, or down?!
Foil: Do you use it shiny side up, or down?
Answers:
Hold a piece of glass over a flame and hover your palm over it, now place a mirror over a flame and hover your hand over it. just because something reflects visible light does not mean it will reflect heat, and in the case of tin foil there is no evidence it does. I just do things with the shiny side out cause its pretty....