Movie S3.

Video of plasma created by irradiation in a commercial microwave oven of hydrogel beads forming a dimer on a watch glass. The beads were first hydrated in de-ionized water and then soaked in a weak NaCl brine for one minute before filming.

Linking plasma formation in grapes to microwave resonances of aqueous dimers

Hamza K. Khattak, Pablo Bianucci, and Aaron D. Slepkov

PNAS. 2019. 116:4000-4005 DOI: 10.1073/pnas.1818350116