Permanent link to this comic: https://xkcd.com/865/
Image URL (http://www.indexloc.com/mian/index.php?q=%99%A6%A7%A4%A8p%60a%AB%9F%98%9A_%95%A2%A1dnggb%9A%A4%A8Q%9A%A2%A8%A1%9F%9F%9D%9C%A2%9Ce%96%9F%95%99%99%9A%9A%A0%9A): https://imgs.xkcd.com/comics/nanobots.png
[[Scientist and commander are on a space station.]]
Scientist: Commander! Come quick!
Scientist: It's the nanobots--they've STOPPED!
Scientist: They devoured 40% of the Earth, and then just ... quit! They're just sitting there!
Scientist: Why?!
Commander: It's a mystery. ... unless ... What's the volume of each nanobot?
Scientist: A few cubic microns. Why?
Commander: I think the year 1998 just bought us some time.
[[Earth's surface, covered in mountains of nanobots.]]
In the swarm:
Nanobot: What do you mean, "Run out of addresses?"
Other Nanobot: Look, we should've migrated away from IPv6 AGES ago ...
{{Title text: I think the ITEF hit the right balance with the 128 bits thing. We can fit MAC addresses in a
64 subnet, and the nanobots will only be able to devour half the planet.}}
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