Though cats are subtle communicators, their ear positions are one of the most telling indicators of their mood. When a cat flattens its ears, it's sending a clear signal of distress, whether from ...

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 ...