TechTakes

1401 readers

114 users here now

Big brain tech dude got yet another clueless take over at HackerNews etc? Here's the place to vent. Orange site, VC foolishness, all welcome.

This is not debate club. Unless it’s amusing debate.

For actually-good tech, you want our NotAwfulTech community

founded 1 year ago

MODERATORS

251

submitted 7 months ago by [email protected] to c/[email protected]

40 comments fedilink hide all child comments

[Eupalinos of Megara appears out of a time portal from ancient Ionia] Wow, you guys must be really good at digging tunnels by now, right?

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 24 points 7 months ago* (last edited 7 months ago)

Cements and other pozzalanic materials also tend to be very alkaline. Industrial dumping of waste concrete can create a huge environmental hazard.