Glasses anti-fog wipes are pre-moistened wipes infused with a special solution that helps to prevent fogging on your lenses. These wipes are designed to create a thin, invisible anti-fog coating on the surface of your eyeglasses, goggles, or other types of eyewear, thereby preventing condensati...
Wash your hands thoroughly to remove as much of the oil from your skin. Place a drop of liquid soap on the surface of the lens then use your finger to gently spread the soap all over the surface of your lenses. You do not have to work up a lather. The liquid soap will help you ...
If you're lucky enough to catch a total solar eclipse within the narrow path of totality, then it is safe to remove your protective glasses only while the moon is fully obscuring the sun. "In fact, if you keep your filters on during totality, you won't see anything" because they ...
Do this trick with a pair of binoculars and you'll find it takes you quite a while to adjust the focus from near-sight (looking at the ground) to far (watching the plane). Try it with the naked eye and you won't even notice what you're doing. That's because your eyes have ...
The following materials shouldNEVERbe used to view a solar eclipse: sunglasses of any kind; color film; medical X-ray film; smoked glass; floppy disks. 2. Know When It Is Safe to Remove Eclipse Glasses During the brief moments of totality during a total solar eclipse, the Sun is completel...
These steps are basic cleaning processes to remove dust particles, eyelash, and fingerprint smudges from your telescope lenses, eyepieces, mirrors, corrector plates, and the lens on a refractor telescope. Begin at step one with the bulb air blower and clean as needed. Do not take your telesco...
At 18, Katie Stubblefield lost her face. At 21, she became the youngest person in the U.S. to undergo the still experimental surgery. Follow her incredible story.
How to Clean Your Lens in 3 Easy Steps Here is a simple, three-step process for effective lens and filter cleaning that you can easily do when in the field: Remove as much dust and dirt as possible from the lens with a blower or soft-bristled brush. Apply a few drops of lens cleani...
If the victim is dead and there is blood on the body, the CSI collects ablood sampleeither by submitting a piece of clothing or by using a sterile cloth square and a small amount of distilled water to remove some blood from the body. Blood or saliva collected from the body may belong ...
Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera, each perforation allows only a very narrow beam of light to enter the eye which...