Australia's Science Forum

I have just autoclaved some contaminated petri dishes at 121C and some of the agar (melted and) came out of the petri dishes. While the molten agar stayed in the autoclave bag, I thought it was meant to stay in the petri dishes. Should I be concerned about this (i.e. is the agar likely to have becom...

Both Voltmeters & Ammeters can have a ~ underline and a _ underline. These are not different scales but ~ refers to AC while _ refers to DC..