Inventor and YouTuber 3D_Printing is looking toward the future for sure with his 3D printed motors meant to run continuously for 100 years. With two five-volt solar powered, 3D printed motors sitting side by side, the hope is that as they run on solar power during the day and their super capacitor energy at night, they will have enough energy to keep running until 2115. Read about this creator's plans and designs in the full article: http://3dprint.com/66585/3dprint-sol...ors-100-years/
Below is a photo of the 3D printed motors: