Trueanon posters in the hackernews comments section.
this post was submitted on 17 Jul 2026
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Ironic; they used acid, but are based
To create awareness, you should not be using this composition at all. It can cause serious damage to the structure,
Composition
They used a mixture of hydrogen peroxide, acetic acid, salt, and acrylic paint. According to Extinction Rebellion, the acid attacks the concrete, the hydrogen peroxide causes steel to rust faster, and salt speeds up the process.
Thanks. Very helpful to know what chemicals should not be mixed together to damage concrete. As a homeowner this is useful information so that I don't accidentally erode my concrete foundation. I'll be sure that I store these common household chemicals apart from each other so they don't accidentally leak and mix
i often mix these chemicals together by mistake, it would be good to know what ratios they're mixed in so i dont accidentally mess up the foundations of my house
Thanks for spreading awareness, i will make sure not to do this to my concrete foundations.
Ahh the ol Cybertruck Top Coat, what a classic. I didn't know it was hazardous to concrete.
tfw this isn't about getting the computers high https://www.youtube.com/watch?v=sPzJjNQaYEA
His songs were fucking awesome
fr Old Folks Home is in my 'normal' music playlist
I found a YouTube link in your comment. Here are links to the same video on alternative frontends that protect your privacy:
Seems XR are getting into direct action. Will probably get slapped as a terror org next by the UK
mind that this is XR NL. XR UK is considered very... weird, despite being the original one. Chapters in other nations are very different
It's a bigger threat than a few hours of blocking the A12 motorway again for the umpteenth time
Usually using acid just sabotages yourself.
Waow