Vertical farming is a 21st century way of maximizing agricultural output in a small space. It uses cutting-edge technology like aeroponic towers as as-needed watering systems. That lets people grow food for their own use and for sale in much smaller "farms." | Interesting Engineering

105K views · 897 reactions | This vegetable growing technique needs air and moisture instead of soil. The idea of aeroponics first appeared in the 1920s and was used to grow orchids, then researchers found that potatoes thrived using this method. Today, the technology is popular in Latin America and China, and can be used in places where the soil and water are in critical condition. | GIGadgets | Facebook