Microwaved grapes make fireballs, and scientists now know why
Plasma forms because the fruit is the right size to trap the devices’ electromagnetic waves
![exploding grape](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/03/022819_ec_explodinggrape_feat.jpg?fit=860%2C460&ssl=1)
GRAPE PLASMA Microwaving grapes creates plasma, and scientists have determined that the effect comes down to a hotspot produced where the two grapes touch. The effect also works with a grape and a hydrogel bead (shown), or two hydrogel beads.
Slepkov Biophotonics Lab/Trent Univ.