A 9-year-old boy in Greece was left with damaged vision after staring into a laser pointer. His doctors describe the case in a paper published in the New England Journal of Medicine. The boy's parents ...

I’m sure all of you reading this have seen or used a laser pointer at some point in your life, or maybe you’ve even bought one online. But have you ever paid attention to the warning signs on your ...

SlideShow Presentation is important for presenting a new piece of work and ideas to an audience on a projection screen. Whether it is a business presentation or an academic presentation, we all use ...

Pierre Gougelman had the first glass eye factory in the United States in 1851. At first, the public thought artificial eyes actually gave their wearers new sight. If only glass eyes worked that way!

We may earn a commission from links on this page. I'm pretty sure I'm not the only one who did this, but the first thing I did when I got my first laser pointer was go outside and point it at the moon ...

Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, researchers tested 122 laser pointers and found that nearly 90 percent of green pointers ...

Here is something fun for all the business geeks out there. The next time you are presenting an important meeting, why not use one of these fun Star Wars Lightsaber Laser Pointers rather than a ...

Low-cost apparatus designed by National Institute of Standards and Technology (NIST) researchers to quickly and accurately measure the properties of handheld laser devices has shown that nearly 90 ...

In the last 20 years, green lasers have shrunk from table-size lab equipment to pocket-portable presentation tools (not to mention cat toys). But making laser pointers a household item may have come ...

Available color: Pearl white or Black Dimensions (L x Φ):140(L) x 13.5(Φ)mm Battery Life: 6 hours Wavelength / Power:532nm/50mW Operation: ON/OFF touching button Project distance : 25000feet away.