This article was first published on September 21stThe periphery of our planet is cluttered with rubbish. Pieces of old satellites and rockets circle the world, travelling at incomprehensible speed.For anyone wishing to work there, or go beyond Earth's orbit - a surprising number these days - it's a burgeoning problem.
Leaving Earth is like crossing a beach for a swim when a discarded beer can could hit you at 17,500mph. Worse still, every time space debris collides - or a government blows up a satellite to show its muscle - the problem grows exponentially, an effect known as the Kessler Syndrome.
Anything longer than 1cm is potentially 'mission degrading' or 'mission terminating', but even flakes of paint have left divots in the windscreen of old space shuttles.Confronting this problem, three stellar engineers have come to the Chamberlin Observatory in Denver, Colorado, partners in a new start-up, Privateer Space.
In the middle is Steve 'Woz' Wozniak, who knows a fair bit about start-ups, having founded Apple in 1976, with his fellow college drop-out Steve Jobs.
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