Tooth be told, most people don’t brush their teeth well. There are many ways to screw up such a simple act — you don’t hit ...

Here he’s posing with the electric paint brush which he developed after seeing some local painters struggling with brushes and buckets at the top of a ladder. His system uses a 1 hp motor to ...

Being a simple demo, the brushes are probably not as robust as in a real motor, but for understanding how it works, it is a great demonstration. If you’d rather build a brushless motor ...

Manual toothbrushes are usually less expensive than electric ones and more easily portable. Patients need to talk with their dentist to choose the brush that best fits their individual needs.