I worked with a guy that did a big concrete job that factored in the earth's curvature. I called b.s., nobody needs a slab that flat, lol. Oops. I guess they needed it to measure gravity waves.
https://news.mit.edu/2016/ligo-first-detection-gravitational-waves-0211

@jameslavish

If you work 40 hrs/wk: at 5% inflation and after 5 years, you need a 28% pay raise or to work 44 more hours (*one full extra week* per month+) to make up the difference.

This is inflation