totient: (mosaic 5)
phi ([personal profile] totient) wrote2011-03-09 05:24 pm
Entry tags:

what's this

What's this? And what's so interesting about it, anyway?

Answer in the comments.
ceo: (Default)

[personal profile] ceo 2011-03-09 10:34 pm (UTC)(link)
Pinopolis Locks. It's the highest single-stage lock in the US and second-highest in the world, at 75 feet.

[identity profile] palmwiz.livejournal.com 2011-03-10 03:58 pm (UTC)(link)
Yes, precisely. It's hard to imagine how such a thing could be structurally sound... although the evidence seems to be that maybe it's actually not.