Date: 2017-07-15 06:49 pm (UTC)
jamoche: Prisoner's pennyfarthing bicycle: I am NaN (Default)
From: [personal profile] jamoche
"as lost as the Roman art of making concrete"

Soo.... about 2000 years later someone will work out what the key ingredient was? http://www.pbs.org/wgbh/nova/next/ancient/mystery-of-ultrastrong-roman-concrete-solved/
From:
Anonymous (will be screened)
OpenID (will be screened if not validated)
Identity URL: 
User
Account name:
Password:
If you don't have an account you can create one now.
Subject:
HTML doesn't work in the subject.

Message:

 
Notice: This account is set to log the IP addresses of everyone who comments.
Links will be displayed as unclickable URLs to help prevent spam.

Profile

james_davis_nicoll: (Default)
james_davis_nicoll

July 2017

S M T W T F S
       1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 2122
23242526272829
3031     

Most Popular Tags

Style Credit

Expand Cut Tags

No cut tags
Page generated Jul. 22nd, 2017 12:45 am
Powered by Dreamwidth Studios