Making bubbles with a laser

Posted by james venning
When you focus a laser beam in water (because that's something normal people do...) you concentrate the energy of the laser light into a small volume of water. This can cause the water to rupture, whi... Read More

Super-cavitating Sphere

Posted by james venning
Here we have a lovely example of supercavitation. Regular cavitation occurs when the pressure of a fluid drops below vapour pressure in the presence of a weakness (termed nucleus) in the water. This f... Read More