以上这些都归类于了蝴蝶手，那这个到底是什么？其实这种应该称为Hand Flapping，意思是手（手指）拍打，被咱们大众翻译和形象地称为蝴蝶手。

Normally priced at $20, you can snag this adorable little sparrow right now for $15 during this Amazon Prime Member exclusive ...

However, finding a universal mathematical description of flapping flight has proved difficult. Researchers used dimensional analysis to calculate an equation that describes the frequency of ...

It is significantly smaller than most unmanned autonomous vehicles and has flapping wings resembling a bird’s. As a result, Chinese scientists see numerous applications, from research to ...

Using the PCB actuator technology he has been working on for the past few years, [Carl Bugeja] built a small electromagnetic flapping fan using a custom flexible PCB. Inspired by expensive ...

It is commonly called flapping hand tremor because the muscles in the fingers and the wrists are typically affected. ‌A person with asterixis loses muscle control and experiences irregular ...

Thus, the real-time monitoring of the reactions of the proprotor system to these varying operating conditions is of great importance. Especially the monitoring of the flapping movement of the rotor ...

Thanks to Engadget, I know two things: first, there’s a very faithful, crank-controlled Flappy Bird clone for the Playdate. And second (indirectly, because it piqued my curiosity and I looked it ...