one of them is a scientist. as ktvu fox 2's claudine wong tells us, her work has proven to the world that was once considered impossible isn't. and what you are doing now could be key to homeland security. >> at the lawrence livermore national laboratory, inside the lounge. that sound never stops. >> i have been living with this sound for, i don't know. i started in 1983. >> but that is what ground breaking science sounds like. >> you see that? >> inside that liquid are crystals. >> it will grow much faster. >> they are growing and growing quickly. >> we put a small seed and crystals start growing in that solution. >> it is a science. >> it's ultraviolet light. >> better seen in the dark. >> it uses much more light. >> what you don't see is how fast they grow. or the technique called rapid crystal growth.