雙輪競走 (木盤與鐵環)

Wooden Plate and Iron Ring

角動量守恆-1

Conservation of Angular Momentum

with Dumbbells

角動量守恆-2

 Conservation of Angular Momentum with a Wheel

陀螺儀

Gyroscope

倒立陀螺

Inverting Pop Tops

迴轉石

Rattleback

尤拉盤

Euler Disk

不停轉的陀螺

The Amazing Spinning Top

馬克斯威爾輪

Maxwell Wheel

溜溜球

yoyo

轉蛋

PhiTOP

大環轉小環

Chatter-ring

手轉環/流動環

Toroflux/Flow Ring

重力旋轉存錢筒

Vortex Bank

混沌擺

Swinging Sticks

雙球擺/太空溜溜球

AstroJax

喜結良緣(鐵鍊栓環)

Make a good match

十字鎖

Wooden Centrifugal Puzzle

向心轉盤

向心力

Central Forces Puzzle

向心力悖論

Centripetal Force Paradox

進退啞鈴

Dumbbells

離心軌道

Centrifugal Orbit