Luckily, you can use any unipolar motor as a more efficient bipolar motor with a simple xacto knife modification. The extra wires in a unipolar motor are taps for each of the coils. Simply ...

Bipolar depression shares symptoms with unipolar depression — and some physical health conditions — but different diagnoses require different treatments. The mood swings between depression and ...

Polarization, along with intensity, wavelength, and phase, is a fundamental property of light. It enhances contrast and ...