Once upon a time, an aircraft pilot looking down toward the ground saw only the distant twinkling lights of homes and cities. But pilots have had an unfortunate high-tech worry for many years: ...

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 ...

Lasers are objects that we normally see used as pointers in talks or help us play DVDs and CDs. But lasers are such a huge achievement in science and there are so many things about lasers that most ...

YouTuber and inventor Styropyro has built and tested a 250-watt handheld laser device. The system is roughly 50,000 times more powerful than standard commercial laser pointers, Styropyro claims in his ...