Some lasers emit radiation in the form of light. Others emit radiation that is invisible to the eye, such as ultraviolet or infrared radiation. In general, laser radiation is not in itself harmful, and behaves much like ordinary light in its interaction with the body.
Hurricane Katrina is arguably the most notorious storm of the 21st century. The storm made landfall as a Category 5 near Miami before striking Louisiana as a Category 3 storm. Katrina was the third deadliest, and costliest hurricane in US history with more than 1,200 deaths and $108 billion in damage.
The huge storm tops the list of the most powerful in human history. Here are the top eight storms on record to make landfall across the globe: Super Typhoon Haiyan - Samar, Philippines, 2013. Winds roared at a calculated 220 mph and Energy Secretary Jericho Petilla reported a 10-foot surge in one village in Leyte. âIt is the most powerful storm ever to make landfall,â Weather Channel lead meteorologist Michael Palmer told NBC News.