TechnologyWatch a blast of sound turn floating drops into bubbles Sound can counteract gravity, making droplets float in the air. It can also turn them into bubbles, which could prove useful for creating hollow materials News
EarthH2Oh! Water is actually two liquids disguised as oneEarth's most precious liquid is weird, and if it wasn't we would die. Now experiments have uncovered its secret: it's not one liquid, it's twoFeatures