I have been thinking a lot about this recently, so thanks for sharing! The design that I thought of was to have electric-powered roller skates with a way use your arms to generate additional charge. It is relatively unobtrusive and small enough to carry with you when you're not using them.
I have been thinking a lot about this recently, so thanks for sharing! The design that I thought of was to have electric-powered roller skates with a way use your arms to generate additional charge. It is relatively unobtrusive and small enough to carry with you when you're not using them.