See the video below to see what [styropyro] claims is the brightest laser pointer in the world. The key is a possibly gray market very large green laser array. It appears to have at least 24 ...

Lasers are ubiquitous in our daily lives, but do we ever stop to think about the risks they present to our eyes?

Remember: You are the focal point of the presentation. Often the projected light dot on a laser pointer is too small to be seen effectively. If you are nervous, the dot may be hard to hold still ...