Science 

Ordnance Survey to launch mapping drone

Image copyright Ordnance Survey Mapping organisation Ordnance Survey plans to launch a solar-powered drone to capture higher quality images of the Earth. Its Astigan craft will fly higher than commercial airliners at 67,000 ft (20,400m), and could circle the Earth for 90 days before it needs to land. It will collect images and data for businesses and organisations to use. It hopes to launch “fully operational high-altitude tests” of the craft before the end of 2019. Ordnance Survey owns 51% of Astigan, which is based in Bridgwater, Somerset. It operates…

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The peculiar history of the Ordnance Survey

Image copyright Ordnance Survey It’s midway through October, so before the days get too short to make it worthwhile, why not grab your compass and hiking boots, shrug on your waterproof and take to the hills. Chances are, if you’re a regular walker, you will stride out safe in the knowledge that an Ordnance Survey map secreted about your person means you’ll know exactly where and when you got lost. The history of the organisation known as OS is not merely that of a group of earnest blokes with a…

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