Oil and water may not mix, but the two have now revealed a new example of structural color, in which an object’s hue arises from its shape. Studying droplets made of two layers of clear oil ...

These images have caused a splash - they capture the moment when a tiny droplet of milk hits water. Photographer Corrie White spends hours firing the coloured droplets at the water from a pipette ...

Photographer Ashley Sykes spends hours firing the coloured droplets at the water from a bottle suspended 12 inches above - and the effect is stunning.