AS DEVICES go, smartphones and tractors are on the opposite ends of the spectrum. And an owner of a chain of mobile-device repair shops and a farmer of corn and soyabeans do not usually have much in common.
IF YOU are reading this while sitting in an aircraft and are of a nervous disposition, do not be alarmed, but the temperature inside the jet engines keeping you aloft probably exceeds the melting point of the materials that those engines are made from.
OWNERSHIP used to be about as straightforward as writing a cheque. If you bought something, you owned it. If it broke, you fixed it. If you no longer wanted it, you sold it or chucked it away.
Airships have the potential to be a very practical and cost effective way to move massive amounts of stuff from one place to another place, especially if the another place is low on infrastructure and has a reasonable amount of patience.
As part of the construction and ongoing maintenance of an airship, it’s important to inspect the envelope (the chubby bit that holds all the helium) for tiny holes that, over time, can have a significant impact on the airship’s ability to fly.