Old timer at a job site taught me a trick about water curing

I was working a big slab pour in Atlanta last August, this guy named Walt who had to be 65 watched me hose down the concrete. He told me to use wet burlap and keep it on for 7 days instead of just spraying it. Said the water evaporates too fast in the heat and you get surface cracks. I did it his way on that job and had zero cracking. Any of you guys use burlap for longer cures or is it just an old school thing?

Just hit 1,000 invoices processed without a single error

I've been doing accounts receivable for 8 months at a midsize plumbing supply company and yesterday I crossed 1,000 invoices with zero corrections needed. My coworker kept saying I was just lucky but I triple check every decimal and part number before sending. Has anyone else tracked a boring metric like this and surprised themselves?

Question about those bone tools found in Oregon last year

I keep hearing everyone call them evidence of the first Americans, but I think we are jumping the gun. The dating they used from the Cooper's Ferry site showed a 3,000 year gap in occupation, which makes me wonder if they are just later tools that sank into older dirt. Has anyone else looked at the stratigraphy reports themselves?

Finally found why my excavation photos were all wrong

Kept seeing people tag post-holes as 'hearth features' in their field reports. I checked the soil samples from my dig in Colorado last summer and the charcoal layers were way too shallow - a real hearth leaves a distinct thermal signature about 8 inches deeper. Anyone else run into this misidentification problem at your sites?

That old guy at the co-op showed me a trick that saved me 30 mins on cable routing

I was at the local bike co-op last Saturday trying to route some internal cables on a 2015 Cannondale frame. A older guy who volunteers there watched me struggle for a bit then just handed me a magnet and a piece of string. He showed me how to tape the string to the magnet and fish it through the frame, then pull the cable back with the string. It took me maybe 5 minutes after that. Has anyone else got a weird trick like that for internal routing that just works way better than the normal way?

Overheard a retired machinist say Haas machines are just glorified paperweights...

My old boss in Phoenix told me I needed to stop over-explaining in emails

She said just give the what and the when, not the whole story of how I got there. It cut my email time in half and people actually read the full thing now. Anyone else had to unlearn a bad habit someone pointed out?

PSA: Check the humidity in your workshop before you glue up

I was at a bindery in Portland last week helping a friend with a restoration job. The room felt fine to me but his hygrometer was reading 78%. He showed me how that much moisture messes with the glue drying even and can warp the boards. We had to redo half a dozen covers after they curled overnight. Has anyone else had humidity sneak up on them like that?

That coffee shop tip about cold brew ratios blew my mind

I was at Groundswell Coffee on 3rd Street last week and the barista told me they use a 1:8 ratio of coffee to water for their cold brew. I had always done 1:4 and wondered why mine was so bitter. She said the longer steep time extracts more flavor so you need less coffee. Has anyone else tried messing with their ratios and gotten better results?

Vent: Chasing a cold solder joint for 5 hours on a board that had one bad via