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 ...

Everybody knows not to shine laser pointers in your eye. They could damage your vision! (Emphasis on could, since your eye’s blink reflex would probably protect your retina.) But what if you were an ...

Use PowerPoint’s laser pointer to catch attention and add excitement Your email has been sent Use PowerPoint's cool laser pointer feature to simulate a laser pointer during a PowerPoint presentation.

The videos from [styropyro] are always amusing and informative. However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you ...