Latest Photographic lens Stories
If you've ever wanted to be the Bionic Woman or a Terminator, new research may at least let you see with their eyes.
Movie characters from the Terminator to the Bionic Woman use bionic eyes to zoom in on far-off scenes, have useful facts pop into their field of view, or create virtual crosshairs.
Imagine waking up in the morning to find that your vision improved overnight as you slept. While it may sound like science fiction, the technology is here today thanks to some out-of-this-world research.
A magnifying glass is a convex lens, usually mounted in a frame with a handle, which is used to produce a magnified image of an object. The glass works by creating a magnified virtual image of an object behind the lens. However, the distance between the lens and the object must be shorter than the focal length for the glass to work. If the distance is not correct then the image will appear small and inverted. Many magnifying glasses are mounted on a stand to insure the proper distance...
- The act of burning, scorching, or heating to dryness; the state or being thus heated or dried.
- In medicine, cauterization.