A few drops of dilute sodium hydroxide solution react to form a white precipitate with aluminium ions, calcium ions and magnesium ions. However, if excess sodium hydroxide solution is added ...

The metal in question is sodium. Normally, it isn’t transparent, but molten sodium hydroxide does turn transparent after it — well, sort of explodes. Of course, sodium hydroxide isn’t really ...

Releasing 6,000 gallons of sodium hydroxide solution (lye ... which will make the eventual chemical dump look similar to a nontoxic test release WHOI did south of Cape Cod in August 2023.