Her design utilizes a plain, old hot plate and with some temperature feedback ... is powered from a transformer and bridge rectifier inside the case (but populated on a different circuit ...

[Electronoobs] wanted a reflow hot plate and decided that he could repurpose ... There’s also a mystery component inside that [Electronoobs] is hoping someone can identify.

A small amount of water is added to an aluminum soda can and brought to boiling on a hot plate or with a Bunsen burner. The water gas molecules will occupy all the space inside the can since the air ...