It’s time to return to one of our favourite subjects: inventions! This week we’ve got the history of portable music, the various attempts at portable television, plus the emergence of air conditioning starting with - and get this - Ancient Rome!

Elsewhere, we’re still struggling to believe we live in the age of hair product innovation and no longer need to iron our hair. Is there anything else about modern hair styling that you can scarcely believe? Do let us know: [email protected] 

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Thank you to Dan Evans for the artwork (idrawforfood.co.uk).

Chris, Elis and Tom x

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