Back in the days of 35mm film, a 50mm prime was considered a 'standard' lens. That's because it gives pretty much the same perspective as viewing a scene with the human eye, without the magnification of a telephoto lens or the shrinkage a wide-angle lens uses to squeeze more into the frame.
The flexi disc (also known as a phonosheet or Soundsheet, a trademark) is a phonograph record made of a thin, flexible vinyl sheet with a molded-in spiral stylus groove, and is designed to be playable on a normal phonograph turntable.
Greer Childers from Las Vegas, Nevada, is the creator of Body Flex, an exercise system which is based on the principle of burning excess body fat, and building lean muscle mass by utilizing a specialized accelerated aerobic breathing technique combined with isometric and isotonic positions.