Pulse oximeters use red and infra-red light to monitor pulse rate and the oxygenation of a patient’s blood.
Ultrasound imaging systems uses piezoelectric transducers as source and detector.
This is the second post about situations in which we are drawn into including intermediate stores as part of an unhelpful...
When discussing how we represent energy at school, a question often comes up about the role of intermediate processes and...
X-ray imaging utilises the ability of high frequency electromagnetic waves to pass through soft parts of the human body...
This activity uses a globe with a transparent dome to explore why day length and the path of the Sun across the sky varies...
Electrocardiograms (ECGs) record the activity of the heart through electrodes placed on the patient’s skin.
The gamma camera is an imaging technique used to carry out functional scans of the brain, thyroid, lungs, liver, gallbladder...
Positron emission tomography (PET) is a gamma imaging technique that uses radiotracers that emit positrons, the antimatter...
The “pink” (magenta) elephant optical illusion is a great starter to a lesson on colour vision.
The first in a series of posts written by Charles Tracy about energy in the new curriculum.
Recognising and celebrating outstanding contributions to the field of physics education.