WITH just a PC and a webcam you might soon be able to carry out multiple medical diagnostic tests in the comfort of your own home.
It’s all thanks to today’s computer screens, which emit such crisp, bright colours that they are pure enough to use in diagnostic tests. Simply holding a grid of samples and reagents up to a computer screen that is displaying a sequence of colours, and using a webcam to analyse the light that passes through the grid, will make it easy to carry out several tests at once.
Many medical checks, such as measuring blood…
