Nevertheless, women were still a distinct minority of the 435 House Members; at their peak during this period, nine served in the 71st Congress (1929â1931). They lacked the power to focus congressional attention on the issues that were important to them.
NVG â Night Vision Green (495 nm): NVG LEDs, along with red LEDs, are useful for preserving night vision. NVG colored LEDs are useful for military pilots as well, who have special equipment that is designed to work with NVG lights. Blue LEDs are often used for map reading at night.
Just five years ago, a 200-lumen flashlight was considered amazingly bright. Now, advances in technology have made it possible to increase the power of even small flashlights to emit beyond 500 lumens of light, which is more than enough to illuminate a room and cause temporary blindness in suspects.