The brilliant Green laser pointer is powerful and easy to see, even on LCD and Plasma displays and in brightly lit rooms. The LCD display with timer lets you manage your time with silent ...

However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you often want a powerful laser, but if you think a laser is safe ...

However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you often want a powerful laser, but if you think a laser is safe ...

Indeed, green laser pointers and miniature colour laser projectors rely on this approach and commercial devices are widely available from firms such as Corning, Osram Opto Semiconductors and Oxxius.

Laser pointers are handheld and battery-powered gadgets which emit a beam of coloured light - usually red, green or blue. They have been used for decades by teachers and lecturers for highlighting ...