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.
The Day After the Draft: One More Step. Most teams are done with the draft, and honestly, I want to be too, but I can't. There is more talent out there to take a crack at. When a player goes undrafted, they are considered Non-Drafted Free Agents. Yep, free agency. I have a crack at signing these guys to my Astros Shadow system.