Ahead of the momentous 2020 presidential election, Georgia’s state leaders faced a choice. The state’s voting system prior to ...

Optical illusions are a quick test of your observation powers. If you are good at scanning and spotting hidden details in a ...

Speckle contrast optical spectroscopy provides a cost-effective way to assess cerebral blood flow for diagnosis of neurological disorders ...

We use our vision every day. But can we always trust what we see? These incredible optical illusions will have you rubbing ...