23 Dec 2016, 10:51

cellophane covered cup

10:51 Friday 23 December 2016 JST

Neat! The woman sitting behind Lin bought a cup of coffee with a cellophane plastic top through which she poked the straw to access the coffee. She put the cup in her cup holder and fell asleep.

Then we went up into the mountains and the pressure inside the cup gently squirted coffee out through the straw.

physics 2016-12-23 10.50.05