KOCHI: Faulty streetlights in the city have been troubling commuters and local residents for a week now. Installed by the Cochin Smart Mission Ltd (CSML), the s ...

An illusion is when we see and perceive an object that doesn't match the sensory input that reaches our eyes. In the case of the image below, the sensory input is four Pac Man–like black figures.

Alternative approaches consist of flame spheroidization, where uneven silica particles are melted and improved into spheres by means of high-temperature plasma or fire treatment, and emulsion-based ...