They are polarized lenses. Many brands have these. The reason gets into physics, but its not too complicated. When light reflects, it changes from unpolarized to polarized, the polarized lenses will cancel out that light at certain angles. If you sti...
I really wouldn't expect polarized sunglasses to cause dizziness unless they are prescription. This is not something polarized lens wears typically experience, it's the first time of heard this. Do you have any other medical issues like high/low bloo...
Well all diodes are actually polarized. The word just adds emphasis to the fact that they are. A diode works as a PN-junction where charge accumulates where the P and N cross one another at a region called the depletion region. The result is a flow o...