Decades of retrofuturustic dreaming, now Elon Musk and NASA: visiting Mars has always seemed just of our reach. But how far away is humans' first visit?
Sarah and Luke answer one of science's longstanding questions on today's episode, as we look into the financial and psychological cost of reaching the Red Planet. Decades of expertise is provided by Dr Andy Aldrin, Dr Tanya Harrison and Dr Robert Zubrin.
Which inventions should we look into next? Let us know on Twitter @SarahCruddas @lukeaaronmoore @StakPod
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