For example, you might not think that scorpions and cyclists have much in common. But sometimes the connection goes a little bit deeper and so it’s all the more satisfying when it finally emerges. Sometimes a pattern is easy to spot in new places. This process of discovery is science: the continual refinement and testing of our understanding, alongside the digging that reveals even more to be understood. Hidden beneath both is a systematic basis for all such formations, one discovered and explored and tested by rigorous experiments carried out by generations of humans. It’s a clue that hints at something more fundamental.
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A rotating storm might seem to have very little in common with a stirred mug of tea, but the similarity in the patterns is more than coincidence. We know these swirls as depressions or cyclones, and we experience rapid changes between wind, rain, and sunshine as the arms of the spiral spin past. The cool and warm air chase each other around in circles, and you can see the pattern clearly on satellite images. They form at the boundary between cold polar air to the north and warm tropical air to the south. In Britain, these swirls come rolling across the Atlantic from the west on a regular basis, causing our notoriously changeable weather. If you look down on the Earth from space, you will often see very similar swirls in the clouds, made where warm air and cold air waltz around each other instead of mixing directly. The same pattern can be seen in other places too, for the same reason. But it was there for long enough to be seen, a brief reminder that liquids mix in beautiful swirling patterns and not by merging instantaneously.
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In your teacup, the spiral lasts just a few seconds before the two liquids mix completely. If you pour milk into your tea and give it a quick stir, you’ll see a swirl, a spiral of two fluids circling each other while barely touching.
#STORM IN A TEACUP THE PHYSICS OF EVERYDAY LIFE FULL#
The physical world is full of startling variety, caused by the same principles and the same atoms combining in different ways to produce a rich bounty of outcomes. This is the place to look if you’re interested in what makes the universe tick. Our home here on Earth is the opposite: messy, changeable, bursting with novelty and full of things that we touch and tweak every day. Every human civilization has seen the stars, but no one has touched them. On a clear night, anyone can admire the vast legions of bright stars, familiar and permanent, landmarks unique to our place in the cosmos. A Sense of Perspective References Acknowledgments IndexĮ LIVE ON the edge, perched on the boundary between planet Earth and the rest of the universe. “Ooh,” she said, “and what can you do when you know that?” It is a very good question.ĬONTENTS Introduction 1. Nana, a down-to-earth northerner, was very impressed when I told her that I was studying the structure of the atom. It is also physics as the toy box of science: physics as fun, as never before.While I was a university student, I spent a while doing physics revision at my Nana’s house. This is physics as the toolbox of science - a toolbox we need in order to make sense of what is around us and arrive at decisions about the future, from medical advances to solving our future energy needs. Each chapter begins with something small – popcorn, coffee stains and refrigerator magnets – and uses it to explain some of the most important science and technology of our time. In Storm in a Teacup, Helen Czerski links the little things we see every day with the big world we live in.
![storm in a teacup the physics of everyday life storm in a teacup the physics of everyday life](https://ebook4expert.net/wp-content/uploads/2017/01/Storm-in-Teacup-Helen-Czerski.jpg)
Look down on the Earth from space, and you’ll find similar swirls in the clouds, made where warm air and cold air waltz. If you pour milk into your tea and give it a stir, you’ll see a swirl, a spiral of two fluids, before the two liquids mix completely. Just as Freakonomics brought economics to life, so Storm in a Teacup brings physics into our daily lives and makes it fascinating.