Lasers can cause damage in biological tissues, both to the eye and to the skin, due to several mechanisms. Thermal damage, or burn, occurs when tissues are heated to the point where denaturation of proteins occurs. Another mechanism is photochemical damage, where light triggers chemical reactions in tissue.
March 9: Teams are allowed to begin negotiating with other teamsâ players who are set to become unrestricted free agents at the end of the league year. This is the first time the NFL is providing a window to negotiate with other teamsâ free agents prior to the start of free agency.
WGN Radio's Adam Hoge reports there is a strong belief at the Annual League Meeting that free agent Jay Cutler will not play in 2017. NFL Network's Ian Rapoport reported in February there is no guarantee Cutler plays in 2017, and it seems like NFL teams have been given that impression as well.