After given time of exposure to the heating agent the bottle is left in a chamber but it will not get any warmer as there is no water. (babygearhub.net)
Baking powder should always be stored in a cool, dry place away from exposure to heat or moisture. (nuts.com)
4 - D printing is an emerging technology that allows 3 - D - printed components to change their shape over time after exposure to heat, light, humidity and other environmental triggers. (sciencedaily.com)