In ancient times, the military deployed a vehicle equipped with a cabin for observing enemy movements from a high altitude, known as the Nest Car because the cabin was suspended high up on a pole, just like a bird's nest.
Besides domestic projects, China is stepping up efforts in assisting global water infrastructure projects.
One of the priceless exhibits at the National Museum of China in Beijing is a 2,000-year-old caliper unearthed in an Eastern Han tomb in Hanjiang, a county in Jiangsu province, east China. Almost identical to the calipers used today, it was named the Wang Mang caliper after its inventor Wang Mang (45 BC-23 AD), who was the emperor of the nAew Han dynasty, as well as a reformer and statesman.
In Dunhuang, there are more than 100 mural restorers. The existing murals in the Mogao Grottoes are 45,000 square meters. After nearly 80 years of practice, the Dunhuang Academy has formed a complete set of techniques and scientific processes for the protection of murals, and relies on science and technology to prolong the life of the Mogao Grottoes.
The world's earliest wind direction instrument, the copper bird, was invented by Zhang Heng (78-139), a renowned scientist in the Eastern Han Dynasty. It resembles a bird made of copper with a short head and a long tail, placed on a straight pole about 16 centimeters high. When the wind blows, the direction pointed by the bird's head is that of the wind.
Bright lights blazing, large screens flashing and electric vehicles on the move — the National Exhibition and Convention Center (Shanghai) shone brightly as it played host to the 6th China International Import Expo (CIIE) from November 5 to 10.The power source behind every light, screen and electric vehicle in the venue was green energy, providing irrefutable proof that China is witnessing the development of an energy revolution.
The southward-pointing cart was a historic mechanical device, which was invented and used earlier than the compass. More than five thousand years ago, ancient Chinese had utilized it to indicate direction.
The telescope array is a milestone in the country's space environment ground-based comprehensive monitoring network (phase-2 Meridian Project) and will provide high-quality observation data for solar physics and space weather research in China.
China has sent more than 30,000 medical staff to 76 countries and regions around the world over a 60 year period. They have not only treated diseases with modern medicine and TCM, but also shared technology and experience with their local counterparts, trained medical teams and improved local public health conditions.
As a responsible major country, China has stepped up efforts to reduce carbon emissions while helping developing countries increase the use of clean energy.