Hmm, that sounds like a challenge. I wonder how smart they would really be...

"Hey Ben, what are you doing with that old microwave and that aluminum foil and that drain pipe?"

"Just looking for a field expedient way to roast hot dogs once we get power back and I can charge the batteries, nothing else to see here. Move along, move along..."

or better still, and more to Blast's MO...

"Uh guys, I'm not sure what those two liquids will do when mixed, but it might not be good"

"Don't worry, we've done this before. We know what we're doing. It's just to clean the windows with so we can get more daylight in building, nothing else to see here, Move along, move along..."