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

This is the second post about situations in which we are drawn into including intermediate stores as part of an unhelpful...

Perspectives

When discussing how we represent energy at school, a question often comes up about the role of intermediate processes and...

Perspectives

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

Classroom Activity 14-16

Physics Narrative 14-16

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

Classroom Activity 14-16

The gamma camera is an imaging technique used to carry out functional scans of the brain, thyroid, lungs, liver, gallbladder...

Classroom Activity 14-16

Positron emission tomography (PET) is a gamma imaging technique that uses radiotracers that emit positrons, the antimatter...

Classroom Activity 14-16

The “pink” (magenta) elephant optical illusion is a great starter to a lesson on colour vision.

Practical Activity 11-14 14-16

The first in a series of posts written by Charles Tracy about energy in the new curriculum.

Perspectives

The second in a series of blog posts discussing energy in the new curriculum.

Perspectives