The high-altitude nature of the job made it a thrilling ... supplies pressure for the public water systems of the Falls and South International Falls. In preparation for work on the tank, the ...

In people not adapted to life at altitude, the sparse oxygen can impair fetal growth, causing issues that can last a lifetime ...

In the years since then, balloon flight technology has evolved from cloth balloons and open baskets to polyethylene balloons and metal pressurized gondolas that allow for high-altitude atmospheric ...