50 Things That Made the Modern Economy Episodes Available now
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Solar PV
How important is solar power to the future of the planet?
![](https://ichef.bbci.co.uk/images/ic/320x180/p07k7gkk.jpg)
Cassava
A toxic plant that sheds light on hidden social forces
![](https://ichef.bbci.co.uk/images/ic/320x180/p07jlyrv.jpg)
Fire
Does the story of economics really begin with a spark?
![](https://ichef.bbci.co.uk/images/ic/320x180/p07hyz3b.jpg)
RFID: The tech you’ve never heard of – but use every day
Radio frequency identification is the foundation of many contactless technologies
![](https://ichef.bbci.co.uk/images/ic/320x180/p07h7dtq.jpg)
Postage stamp
How a disgruntled customer revolutionised the postal service
![](https://ichef.bbci.co.uk/images/ic/320x180/p07gqnc9.jpg)
Rubber
An everyday substance with a bloody past
![](https://ichef.bbci.co.uk/images/ic/320x180/p07g44nk.jpg)
CubeSat
How a student engineering challenge has changed the way we use space
![](https://ichef.bbci.co.uk/images/ic/320x180/p07f3rxt.jpg)
Factory
Have factories made workers' lives better?
![](https://ichef.bbci.co.uk/images/ic/320x180/p07dt6g8.jpg)
Blockchain
How powerful could the technology behind Bitcoin be?
![](https://ichef.bbci.co.uk/images/ic/320x180/p07d5bw6.jpg)
Pencil
Is the pencil underrated?