Word: cloudly
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Potter sees science as a matter of measurements. Accordingly, he utilizes distance, time, and size as our tour guides. First, we travel outwards from Earth, flying by the planets, over the Kuiper belt, through the Oort cloud (what names!), and past the Orion Nebula, the Hydra-Centaurus supercluster and beyond. Then we venture downward in magnitude - atoms and quarks and gluons and strings and Higgs bosons. There are also journeys forward from the big bang and the creation of Earth. In between, he stuffs his pages with musings on scientific history, philosophy, and personalities...
...going to be directly affected by those hazards, but you could very well be affected by the ashfall, which can travel a distance of hundreds of miles. Ash has also erupted with great force into the stratosphere. That's where jets are flying, and encounters between aircraft and ash clouds can be damaging and life-threatening. This ash is not like ash from a fireplace: it's little, pulverized pieces of volcanic glass that can melt in jet engines. The combination has stopped airplane engines midflight. Fortunately we're good at dealing with this hazard now. If you fly from...
...cloud...
...point, Khan was worth some $400 million. With his clandestine income, Khan became a multimillionaire who collected vintage cars and foreign properties. Outside his mansion in Islamabad, he had a jasmine bush trimmed into the shape of a mushroom cloud...
Even though they fly in more challenging conditions, medical-helicopter pilots are not required by the FAA to be trained to fly using only their instruments. In any case, most helicopters lack the necessary technology. So when a helicopter pilot flies into a cloud and can't see out his windows, it is - by definition - an emergency. The pilot must simultaneously descend until he can see lights on the ground, toggle multiple radio frequencies to inform nearby planes and airports that he is flying blind, maintain control of a twitchy aircraft in conditions he is not trained to handle, over...