Post #1658: Testing eyeglasses and sunglasses for UV protection. Part 2, the initial tests

Recall the goal of this:  I want to see how well my eyeglasses, sunglasses, and car windows block ultraviolet (UV) light.  See my recent Post #1654 on this topic if you wonder why anyone would care about that. Continue reading Post #1658: Testing eyeglasses and sunglasses for UV protection. Part 2, the initial tests

Post #1654: Testing eyeglasses and sunglasses for UV protection. Part 1, the set-up.

I’d like to know the level of protection from ultraviolet rays that my current eyeglasses and sunglasses provide.  In this post, I don’t actually do the test, but I set up all the background information.  The test has to wait for materials to arrive from Amazon. Continue reading Post #1654: Testing eyeglasses and sunglasses for UV protection. Part 1, the set-up.