3 ms·
22.4 % efficiency?! This is crazy good. One very immediate solution: glowing clothes for safety. Roadside dog walkers joggers and bicyclists can be seen a lot e
by Gravityloss 4y ago
22.4 % efficiency?! This is crazy good. One very immediate solution: glowing clothes for safety. Roadside dog walkers joggers and bicyclists can be seen a lot easier. And you don't need to mess with batteries so much anymore.