Back then, you had to buy flash bulbs for your camera. The Sylvania flash cubes, introduced in the 1960s, made it easier and more convenient to take pictures in low-light conditions. These small, disposable flash units attached to cameras and provided four flashes in a single cube, rotating automatically after each use. This eliminated the need for photographers to manually replace bulbs or adjust the flash — democratizing nighttime and indoor photography for the masses. As technology advanced,