IIRC, the last attempt at self-heating cans had to be recalled due to fire hazards. Edit* - https://www.engadget.com/2006-05-05-self-heating-wolfgang-puck-latt

IIRC, the last attempt at self-heating cans had to be recalled due to fire hazards. Edit* - https://www.engadget.com/2006-05-05-self-heating-wolfgang-puck-lattes-recalled-en-masse.html https://www.engadget.com/2006-05-05-self-heating-wolfgang-pu...