Laser pointers may jazz up your PowerPoint presentation, but they can pose serious hazards to your eyes if you use them the wrong way. Case in point: A boy in Greece burned a hole in his retina after ...

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 ...

On the long list of things you should never, ever do, shining a laser pointer at an airplane is definitely very close to the top. They might seem harmless when you're using a laser pointer to play ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

The psychological lessons of war, gathered by a committee of the National Research Council, were available last week in Psychology for the Armed Services (Infantry Journal, $3). Some of them turned ...