Recent content by 13oots2

Re: ANYONE IN THE ENGLAND BOUGHT FROM MEGALASERSUK Bought a 50mw from the company and it was a joke compared to a 20mw I bought from Megagreen. Was getting a dot nearly 2ft across at about 35ft and upon disassembly lenses had white glue all over them and no ir filter. Also have contacted Guild...

I bought a 50mw from MegalaserUK, no ir filter and comes nowhere near the visible output of a 20mw from Megagreen. There are a few other problems with Megalaseruk that I am chasing up on Monday 4th as the people I need to speak to are shut until then. Megagreen are a lot more expensive but...

Have bought 2 green lasers from Megagreen, one 1 mw for the cats to chase and a 20mw for me :D. The lasers themselves are solidly built and appear to output the specified power with no IR leakage, ceratainly much brighter than a 50mw brand that I made a big mistake buying. Paul at Bluesky knows...

Slowing light is serious business which you'll not likely accomplish with a pane of glass. Almost any transparent medium will refract (slow) light to some degree, glass, and water are just a couple of examples. Soon as I get 10 posts under my belt I will do a serious search for the link and...

I have no intentions of using high power to demonstrate burning and all the "fun" stuff, but can anyone come up with some edumicational demonstrations to safely show children?? If need be I can use a <1mw red <5mw Green and <20mw green, but the higher powered experiments will be shown using...

Just found an article about the effects of a 400mw laser being shone directly into the eye. Am unable to create a link to the article but have copied some of it. "Laser research organization reveals that direct exposure to over 400mw high power green laser pointers can damage the human eye to...