Scientists have been trying to develop numerous methods for growing plants in an efficient layered layout. However, a key flaw emerged: energy consumption. The most significant energy-wasting aspect in this layout was the electricity used to produce light. To achieve maximum efficiency, a potential solution would involve finding plants that can grow without the need for light. Bean sprouts present one such solution.

In Asia, bean sprouts are commonly produced by placing beans in a dark container and periodically cycling water every few days. In the past, they served as an excellent food source due to their rapid growth and the fact that they required no extensive labor. Now, we can utilize this method to create an efficient and reliable food source.

Although this food source might not be appetizing for some, it would be a great way for those in hunger. Not only do bean sprouts not need light, but they also would not require as much care as other plants. For example, a space-efficient structure of lettuce needs two energy-costly components. This includes the light, which needs to be on for the majority of the day. Furthermore, it involves water dispensers to keep the plant humid. However, the bean sprout setup will not need a constant light source and will require only a mechanism to replace the water every couple of days. It will also be space-efficient as it can be expanded vertically and horizontally.