Gaze-tracking

Back in 2018, scientists at Duke University discovered that each time our eyes move, our ears make an imperceptible squeaking noise. Now, the researchers have developed a method of telling where a person is looking by analyzing those sounds.

Although it's certainly best to start addressing autism as early as possible, the disorder is often difficult to detect in young children. A new iOS app has been designed to help, by tracking a child's eyes as they watch videos.

When tracking a sleeping person's eye movements, you typically have to stick hard-wired electrodes onto their face. Soon, however, an unobtrusive flexible mask could do the job – while also measuring their heart rate.

​We've seen it in movies many times before … the reluctant witness who looks right at the mug shot of the murderer, and falsely claims that they don't know him. Soon, however, police could know if such people are lying – by watching their eyes.