How does a drinking straw work?
Me and my friend "R" came home from our trip to the art museum. It was a hot day, so I offered her a glass of juice with a straw in it and poured myself too. As we were drinking the juice we remembered our childhood days of how we enjoyed drinking milk, juice,water and anything we could drink with a straw. During our conversation, she asked me "do you know how a straw works?" and the immediate reply I wanted to give was " I am sucking the juice up the straw". I paused for a minute and thought about it. When I leave the straw sitting inside the glass, the juice fills up the straw up to the level of the juice outside of the straw. So, the atmospheric pressure is same inside the glass and the little bit of place inside the straw too. But, when I suck the air out of the straw, the pressure inside the straw decreases compared to the rest of the glass. And the high pressure outside of the straw pushes the juice up the straw and into my mouth. Ac...