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 ...

Scientists from the National Institute of Standards and Technology (NIST) have addressed the long-standing “green gap” by modifying a tiny optical component, a ring-shaped microresonator ...