Interesting Things with JC #1360: "Invisible Ink" – It wasn’t magic. It was chemistry. Messages hidden in sweat, milk, even matchbooks...when speaking could mean death, science spoke instead.

Interesting Things with JC #1360: "Invisible Ink" – It wasn’t magic. It was chemistry. Messages hidden in sweat, milk, even matchbooks...when speaking could mean death, science spoke instead.

Interesting Things with JC #1360: "Invisible Ink" – It wasn’t magic. It was chemistry. Messages hidden in sweat, milk, even matchbooks...when speaking could mean death, science spoke instead.

1360: "Invisible Ink"

Interesting Things with JC is a new podcast mini series, with highlight on some of the more interesting historical stories, current events as well as under-told stories.

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Interesting Things with JC is a new podcast mini series, with highlight on some of the more interesting historical stories, current events as well as under-told stories.

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1360: "Invisible Ink"

1360: "Invisible Ink"