Fill these semi-circular cells with different liquids to observe their refractive properties using a ray box or laser.
The Sound Pipe will captivate your students' imaginations. Twirling the pipe at different speeds produces up to five standing waves with different
The Microwave Transmitter utilizes a Schottky diode oscillator module feeding a tuned waveguide and horn to give a directional microwave beam. The
The Microwave Receiver uses a plate antenna which gives high sensitivity over a broad area. The output is to an internal loudspeaker and power is d
The Microwave Probe Receiver gives a localised, precision receiver which finds particular application in identifying areas of peak and low amplitud