Measuring about 9 inches in length, the acrylic lens offers 30x magnification, and the embedded lights are powered by three ...

Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a cosmic stone's throw from our own planet.

With the sale price, you'll get this handy go-anywhere mirror for just $9. Grab it now if you're looking for a valuable ...

On the other end of the scale, there are ornamental magnifying glasses, designed for light use, but more often wind up as a ...

Continually increasing the magnification past a certain point does not increase the detail visible in an image. The best light microscope can show details that are 0.2µm apart and need a ...