Laser diode lighting is among several next generation lighting technologies that have emerged as a potential successor to LED lighting. It uses laser technology to provide light, as opposed to using diodes, gas, or a wire filament.
For traditional windows used in commercial and residential buildings, glazing performance was advanced by adding special coatings or by filling the space between glass layers with less convective gases.
Synchronous AC motors are motors that rotate at a speed that is perfectly “in sync” with the frequency of the electric current supplying it. This is different than the much more common induction AC motors.