21. I'm shining a green laser onto flat surfaces. 22. Green lasers are used to demarcate the triangle.23. The green laser pulse, traveling at the speed of light, was only one half millimeter long. 24. Inter-cut are scenes of Lopez dancing in a jungle, where green lasers are flashing behind her. 25. I have one 20mW green laser pointer. 26. On February 22, 2009, a dozen planes were targeted with green laser beams at Seattle-Tacoma International Airport. 27. Corning is engaged in research and development on green lasers , mercury abatement, microreactors, photovoltaics, and silicon on glass. 28. People have been given up to five years in jail for aiming a green laser at an aircraft. 29. The violent collisions that ensued between the gamma photons and the green laser photons created an enormous electromagnetic field. 30. Traditional lion dancers joined a group of ballerinas after the announcement as spotlights and green lasers swept the sky.