Science, Maths & Technology
Basic science: understanding experiments
...carbon dioxide. And that's the process that makes bread rise in the same way as its doming and making the cling film rise here. Now to monitor the experiment - and keep track of the process - I'm going to measure the thickness of the foam and record how it changes over time. So this one is 2 centimetres thick after five minutes. And this one is 2 centimetres thick. I'll...