TECHNOLOGY fans can experience Olympic sponsors’ gadgets on the Olympic Green in Beijing. For instance, General Electric company, which does the rain-water recycling for the Bird’s Nest, has a display showcasing clean, energy-efficient facilities. Visitors are invited to stimulate wind power by moving their hands on touch screens. Johnson & Johnson, another Olympic sponsor, is promoting a healthy Olympic world in its facility. Here, bamboo stalks covering the exterior walls create a sustainable cooling system. Five Terracotta Warriors shipped from Xi’an show how Johnson & Johnson successfully maintains these cultural relics by removing the fungi with high-technology. Find out more about companies like Coca-Cola and Samsung on the Olympic Green from 9 am to 10 pm, till August 24, for free.