Early wearable computer
Joyce Park stashed this in Code
Qing Dynasty abacus ring
Ha, technically an abacus is a computer. Well played, Joyce.
Watch out smartwatch, here comes smart ring!
The abacus smartring is 300 years old:
Developed in the Qing Dynasty era (1644-1911), the ring features a 1.2cm long, 0.7cm wide abacus that sits on the finger.