How do I remove the lens from a magnifying glass?

Hot glue is a form of plastic and does not stick to glass. Glue dots or double sided tape would work, but are not permanent. Sobo craft glue dries clear...

A good rule of thumb is 1/focal length. So 1/80 sec should be fast enough to avoid camera shake. If your lens or camera has shake reduction, then you might...

Apply a cleaning agent like Bio-Clean and work it into the glass in small circles. Keep rubbing until the limescale and buildup is gone.

The search button has already been added to iOS 14. For Android, it has also been added.

What patients will usually do is use a small apparatus, like a suction device, with which they can lift up the scleral contact lens, add saline solution, then apply it...

In science, you can't use a magnifying glass to observe a liquid, germ, molecules, etc.

Once all of the blossoms on a given cluster are spent, remove the whole cluster by cutting or pinching the stem down at the next leafy area.

Use a clean razor blade to scrape off the residue. You can also use something like glass cleaner as a lubricant for the razor, if needed.

You're better off dissolving it with a solvent or softening it with a hair dryer. With either method, focus on removing as much wax as possible from the glass. Then,...

Loctite glass glue dries fast and clear. A single drop on a toothpick might run the length of the scratch. Several applications might be required; don't try to do it...