Latest Coalescence Stories
Scientists have long sought to explain why raindrops come in such a variety of different sizes, with prevailing wisdom saying the rain begins as tiny micro-droplets that join with nearby droplets as they fall to form even larger drops.
Zhang Qian, head of weather manipulation at the Beijing Meteorological Bureau may have found a way to keep the opening ceremony at Augustâ€™s Olympic Games dry. The attempts to mitigate light rain have been successful thus far.
Evaluating one way of how clouds can form. To understand this method it’s important to understand a few terms. The first one is Cloud Condensation Nuclei. The CCN can consist of anything from dust, dirt, salt anything that is floating in the air. The second thing is moisture. There must be moisture present in the atmosphere to condense on the CCN to form a droplet. Next step to the process is what is known as collision and coalescence. This is the process of many CCN’s running...
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.