Staying with grapes, cut it finely in half, put both halves in the microwave and watch the special effects.
As for doing toast in the microwave, don't... unless you have a very clear window, the bulb is working and you can clearly see the toast! The only thing that remotely works in the microwave is cheese on toast. Never have I done cheese on toast quicker than in a microwave. 10 seconds on high, the cheese had melted already.
Everyone knows that million-to-one chances happen 9 times out of 10; indeed, it's a common requirement in fairy tales. If the human didn't have to overcome huge odds, what would be the
point? Terry Pratchett - The Science Of Discworld
GPGSL S5 Race driver for IED.