Far-Traveling Objects

What If?
Far-Traveling Objects

Which human-made object has travelled the farthest distance? There are several answers to this, none of which is a spacecraft, but one is: a stone from Ethiopia.

From Weekly Filet #153, in March 2014.

💔 Some older links might be broken — that's the state of the web, sadly. If you find one, ping me.

Make sense of what matters, today and for the future.

Every Friday, carefully curated recommendations on what to read, watch and listen to. Trusted by thousands of curious minds, since 2011.

Undecided? Learn more | Peek inside