Re: Technology related anachronisms on TV and in films etc.
I recall seeing a TV programme a while back, where the brave (foolhardy?) presenter exercised on a stationary bicycle while breathing his own exhaled air. The carbon dioxide had been scrubbed from this re-cycled air using a canister of soda-lime if I recall correctly. The unfortunate presenter, because of the lack of carbon dioxide in the gas he was breathing, didn't start gasping, he simply fell off the bike. A salutary tale, I think.
Colin.
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