Tim Harford

speaker

476 appearances 1 recordings 1 series first heard Jul 2026 last heard 20 Jul

Tim Harford’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 1 in all, peaking in Jul 2026 with 1.

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It looks like a classic space opera spaceship. voice-verified

It's silver. voice-verified

But inside... So you've got canvas on the outside. voice-verified

Okay. voice-verified

You've got the metal frame. voice-verified

Then inside you've got lots of little balloons. voice-verified

And those little balloons are all made of cow gut. voice-verified

And so the whole thing is this kind of viscera of this enormous mammalian collective is lifting this whole thing off. voice-verified

And the whole thing smells a little bit of kind of cow gut and mold. voice-verified

It's not very luxurious when you actually get into the chassis of the thing. voice-verified

But the other problem with hydrogen is it's very flammable. voice-verified

So if it escapes and there's a spark, it's going to go up big time. voice-verified

Anybody who's ever seen the footage of the Hindenburg, that's a hydrogen airship. voice-verified

That's what happens. voice-verified

And I think the metal is aluminium, which is also flammable. voice-verified

This doesn't help. voice-verified

Oh, yeah. voice-verified

The Hindenburg is later, but people knew this is a risk. voice-verified

So you just have to make sure that you don't set fire to the hydrogen. voice-verified

Small detail. voice-verified

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