THIS is frankly a revision course. It contains the information required by the examiners in a reasonably small compass, and should prove useful in any school in which the chief object of including ...

Physicists in the US have discovered a simple way to “store” light pulses in a material by converting them into sound waves. The technique, which involves just two lasers and a piece of standard ...

Engineers have developed an airborne method for imaging underwater objects by combining light and sound to break through the seemingly impassable barrier at the interface of air and water. Stanford ...

To the recording studio to study interference and diffraction of sound waves. Unit 6 Segment D: Sound: Diffraction and Interference We head back to the recording studio to study interference and ...