Unfortunately, some people need to hear this.

While a laser pointer's distance is influenced by many factors, including atmospheric conditions, you might be surprised to ...

A laser pointer's beam can reach miles into the sky, yet its bright dot seems to vanish on your TV. Here's what's actually happening to that light.

Just because a laser pointer is a certain color doesn't mean it's necessarily more or less powerful. One color reigns supreme, in terms of sheer output.

Like a lot of people, I own multiple laser pointers. These come in handy when I do public speaking for work, but that's only once a month or so. And with the sad passing of our dog back in December ...

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 ...

Every now and then, one of my columns elicits enough reader response to merit a follow-up. Such is the case with a piece I wrote on green laser pointers (November 2013), in which I outlined their ...