hot-air balloon

Over the years, researchers experimented with roost cameras, military radar, hot-air balloons with ultrasound recorders, and GPS trackers -- struggling to create tools light enough for the bats to carry.

The novel trots the globe, from Barbados to Virginia to Nova Scotia to the Arctic to London to Morocco, and besides the hot-air balloon, includes the invention of the public aquarium.

A hot-air balloon regatta due to take place over London on Sunday 21 July has been postponed once again due to poor weather conditions.

The centerpiece of Levine’s battle plan was the launching of a hot-air balloon, with a reporter and a photographer in the basket.

Reality Steve said one of the dates was to end in a hot-air balloon ride, but it was too windy during filming for that to happen.