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 ...

Back in the olden days, when WiFi and Bluetooth were just a glimmer in the eye of IEEE, another short-range wireless communications technology ruled supreme: Infrared Data Association, or IrDA for ...

Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, researchers tested 122 laser pointers and found that nearly 90 percent of green pointers ...

According to the authors, the risk of injury is higher for short-wave light (green laser pointers: wavelength 490-575 nanometers) than for long-wave light (red laser pointers: wavelength 635-750 ...

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 ...