Astronomy

Laser pointer safety

For many years, one of the biggest stumbling blocks I faced at star parties was the confusion that arose whenever I tried to show attendees the locations of notable stars and constellations or the ...
Inside Higher Ed

Rethinking Laser Pointers

Carolyn Trietsch recently defended her Ph.D. in entomology at Penn State. You can view her website or follow her on Twitter @carolyntrietsch. Laser pointers are perhaps the most abused visual aids in ...
Optics

High Power Green Laser Pointers

Powerful Green Laser Pointers Model:LSG-15 Output Wavelength:532 nm Output Power:250-700mw Battery :1X"18650" Dimension:38 22omm Powerful Green Laser Pointers Model:LSG-15 Output Wavelength:532 nm ...
Hosted on MSN

Here's Why Laser Pointers Can Be Dangerous For Airplanes

Being an airline pilot is a job of tremendous pressure. It goes without saying, then, that expertise and absolute concentration are paramount. So much so, in fact, that the Federal Aviation ...
Forbes

This Is Why You Should Be Cautious When Buying Laser Pointers Online

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 ...
Optics

Focus-adjustable Green Laser Pointers

Focus-adjustable Green Laser Pointers Model:LSG-13 Output Wavelength:532 nm Output Power:50-150mw Battery :1X"18650" Dimension:23 160mm Focus-adjustable Green Laser Pointers Model:LSG-13 Output ...