For access to this article, please select a purchase option:
Buy article PDF
Buy Knowledge Pack
IET members benefit from discounts to all IET publications and free access to E&T Magazine. If you are an IET member, log in to your account and the discounts will automatically be applied.
For the traveller seeking adventure, space is the next destination - but it will take some dedicated preparation, We meet the tourist ready and waiting with three tickets to head beyond the atmosphere.