Close-up cuts: Copper and aluminum wires, a pencil, and a steel boltRion NakayaJanuary 10, 2022January 10, 2022
Is this the longest simple electric train track in the world?Rion NakayaDecember 1, 2020December 3, 2020
A lemon-powered supercar and making the world’s largest lemon batteryRion NakayaJune 26, 2018October 27, 2022
