this post was submitted on 28 Apr 2026
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Makes you wonder what happened to them. Like what happened to WD01 through WD39…
LSD is actually LSD-25
The inventor didn't think they were useful.
Somewhere at Heinz there's a filing cabinet with recipes for sauces 1-56 in it, and none of them taste very good.
Heinz 42 opened a small wormhole into another universe.
That is actually how those ones were named. WD stands for water displacer (or displacement), which is what WD40 does, not a lube but an oil that replaces any water where you spray (which can then act as a lube but it's not designed to remain there long term). WD40 was the 40th attempt at developing a water displacer and it worked, so they stopped there.
Oh, I assumed it was viscosity like motor oil numbers.
Well TIL…. cool!