The Slow Machine artwork

Earth Sciences · Michael Goddard

The Slow Machine

by Michael Goddard

How we found out the continents move, and why almost every clue came from an instrument built for something else entirely. A nine-part series for curious people who don't know any geology and don't need to.

Latest episodes

Showing 7 · updated from the feed

Draining the Ocean

On 18 November 1929 an earthquake off Newfoundland snapped twelve transatlantic telegraph cables, one after another, over thirteen hours. Nobody could say what had broken

Oct 27
26 min

Listening to the Inside

In 1909 an earthquake shook a valley south of Zagreb, and at stations far enough away the waves arrived twice. The man who worked out why was a meteorologist, and what he

Oct 23
30 min

The Weatherman

In April 1906, two brothers went up in a hydrogen balloon over northern Germany and stayed aloft for fifty-two and a half hours, longer than anyone ever had. The younger

Oct 21
25 min

Two Facts That Cored the Apple

In the 1850s, the British survey of India recorded an error it could not explain. The Himalayas — the biggest mountains on Earth — were not pulling their weight. Episode

Oct 7
19 min

The Shrivelling Apple

Put an apple on a windowsill and leave it for a month. The inside shrinks, the skin does not, and it wrinkles. For about seventy years, that was the best available scient

Oct 7
18 min

Before the Question

In 1650, an archbishop worked out that the world began on a Saturday evening in October, 4004 years before Christ. Not the year. The evening. And he was not being foolish

Oct 7
25 min

The View from a Small Island

I grew up on a coral island, and I was taught that it had been lifted out of the sea by "earth movements". Nobody ever told me what an earth movement was. The textbook di

Oct 7
16 min

Chart trend

Position in the Earth Sciences chart (US), last 90 days.

#46
all-time peak
1
day in the top 50 since Oct 2026

Chart positions

Where The Slow Machine ranks today in each Apple Podcasts chart (US, Oct 29, 2026).

#46 ▲ 148 Earth Sciences US

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