An engineer builds a working retractable lightsaber after 100+ failed attemptsRion NakayaNovember 5, 2025
A teen inventor demonstrates his mind-controlled prosthetic armRion NakayaMay 19, 2022October 28, 2025
Wooden blocks trigger sounds on Arduino-programmed turntablesRion NakayaFebruary 3, 2015March 27, 2023
The Writer, a drawing machine automaton by Pierre Jaquet-DrozRion NakayaNovember 12, 2013June 12, 2026
