Just such a project is [Radomir Dopieralski’s] set of wearable mechatronic cat ears. A cosplay accessory that moves as you do. Very kawaii, but fun. You may have seen the commercially available ...

By paying attention to signals like tail flicks, ear twitches and whisker movements, cat owners can better interpret their pet's mood, deepen their bond and ensure a more harmonious home.

Per the study, friendly expressions were marked by the cats' ears and whiskers moving forward with their eyes closed, as aggressive cats instead had constricted pupils and ears flattened against ...