Scientists have developed a new multi-layered metalens design that could revolutionize portable optics in devices like phones, drones, and satellites. By stacking metamaterial layers instead of ...

A review in the International Journal of Smart Technology and Learning discusses the research literature on social media surveillance. It highlights how the practice has become a central feature of ...

Sometimes we don't know exactly how many times we want to repeat an action or task. We might want to repeat it UNTIL something happens. When we are washing up, we don't wipe the sponge across the ...