There’s a neat experiment you can do to see how it uses a standing wave to heat the food, and why you get hot spots.
Put a plate of cheese into the microwave (remove the rotating tray first if it’s got one), and run it long enough that the cheese just barely starts to melt.
You’ll get lines of melted cheese with unmelted in between. The distance between the melted lines is the wavelength of the microwaves.
I get up each morning and dust off my wits / Open the paper and read the obits / If I’m not there, I know I’m not dead / So I eat a good breakfast and go back to bed.
Funny thing is, they do market variations of silly putty like that, with different levels of firmness depending on what you need. I think it’s called Thera Putty or something like that.
For me, the pliability always worked better than a stress ball. It’s also good for physical therapy for recovering from hand or wrist injuries. Or just building up grip strength.
Hey, it worked for Emperor Norton.