run-up-the-sail: pisshets: If you add two pounds of sugar to literally one ton of concrete it will…

run-up-the-sail:

pisshets:

If you add two pounds of sugar to literally one ton of concrete it will ruin the concrete and make it unable to set properly which is good to know if you wanna resist something being built, French anarchists used this to resist prison construction in the 80s

I’m just gonna go ahead and reblog this for purely educational purposes.

on tumblr: http://ift.tt/2mr4Erl

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