Floating beads of water act as tiny test tubes
Superheated drops used to create nanoparticles
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/10/bm_floatingdroplet_feat_FREE.jpg?fit=860%2C460&ssl=1)
BUBBLE CHEMISTRY A phenomenon called the Leidenfrost effect helped convert gold salts in a water droplet (left) into gold nanoparticles (right).
Abdelaziz et al/Nature Communications 2013