Training at high altitudes is known to boost the physical performance of athletes. Philippa Forrestertries out a pressurised chamberthat simulates the effect of being at high altitude without having to go there. Also tonight, a miracle of miniaturisation: the translating pen that can read one language and turn it into another.
Presented by Howard Stableford and Shahnaz Pakravan.
Producer Jasper James : Editor
Philip Dolling
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