There's something other worldly about a butterfly landing on you, isn't there? The delicate flutter of its wings carries a touch of magic, as if a messenger from beyond just graced you with its ...

Butterfly wings are a bit of a mystery and “conventionally considered aerodynamically inefficient". Researchers have analysed air flow movements behind butterfly and mechanical wings ...

Credit: Advanced Intelligent Systems (2024). Researchers have developed robotic wings that mimic the movement of butterfly wings using only magnetic fields, with no need for batteries or electronics.