Pulse oximeters use red and infra-red light to monitor pulse rate and the oxygenation of a patient’s blood.

Classroom Activity 14-16

Ultrasound imaging systems uses piezoelectric transducers as source and detector.

Classroom Activity 14-16

X-ray imaging utilises the ability of high frequency electromagnetic waves to pass through soft parts of the human body...

Classroom Activity 14-16

Electrocardiograms (ECGs) record the activity of the heart through electrodes placed on the patient’s skin.

Classroom Activity 14-16

In this activity, students explore how an arrow can look bigger and reversed through a glass of water.

Classroom Activity 11-14

In this activity, students build a modern version of a 19th century theatre illusion used by John Henry Pepper for creating...

Classroom Activity 11-14