That's an awesome kit- but it looks like it's the type of hologram that can only be viewed by laser light. If it could be viewed in ordinary light and I had a proper place to set it up, I'd be sorely tempted to give it a try!
I just bought a vintage hologram watch that the seller listed as "no longer being produced", and that reminded me of how popular holograms (as a novelty) were during the 1980s.
Back then, I had a catalog of hologram jewelry that I looked over many times and wished I could get...I still have a...
Yeah, one in particular throws A LOT of light at the floor, or other places it's not supposed to. I'm thinking "stray emissions" best describes it, but am clueless on how to correct the problem.
The lenses shouldn't be dirty since it's brand new.
Thanks for your answer. I already knew about speckle, and this is something else entirely. For example, one keychain laser I have throws light on the floor, well below the beam. I have another one that shows a faint ring of light around the dot. The better quality ones do not do this.
Forgive me for creating a new thread on a subject that I'm sure I've read about here before, but I did a search and came up empty on the subject.
What causes some cheap pointers to leak light? I mean visible laser light that appears in places other than just the beam and/or dot. I've seen a...
I like looking up things online, just for fun. There are several videos of people who claim they have produced X-rays from simple, common things such as nightlight bulbs. This is one example: Producing X-rays from a Cheap Light Bulb! - YouTube
I haven't searched for it, but there was also one...