Anemometer mounted on a vertical shaft. The air flow past the cups in any horizontal direction turned the shaft at a rate that was roughly proportional to the wind speed. Therefore, counting the turns of the shaft over a set time interval produced a value proportional to the average wind speed for a wide range of speeds. It is also called a rotational anemometer. On an anemometer with four cups, it is easy to see that since the cups are arranged symmetrically on the end of the arms, the wind always has the hollow of one cup presented to it and
What Kate Does had hidden and later talks with Kate at Dharma's dock. He explains that he planned to propose to Juliet and that he blames himself for her death, saying that he convinced her to stay on the island with him because he was lonely. Meanwhile, Jin is caught by the Others, who want to kill him instead of taking him back. Suddenly, someone shoots them and Jin is shocked to see that the shooter is Claire. The episode has received mixed reviews. Critical review aggregate website Metacritic awarded "What Kate Does" a score of 64 out of 100, indicating "generally favorable