First, energy technology. Energy technology developed in the 1970s. Together with space technology and artificial intelligence, it has become the world's three cutting-edge technologies. With the development of mankind, the high standard requirements for the environment and the crisis of existing energy reserves, new energy technologies such as nuclear energy technology and solar energy technology have been developed. It broke the traditional concept of energy with oil and coal as the main body and started a new era of energy.

Second, Neptune undersea observatory. This is an undersea observatory, which Canada began to use in 2009. This is the largest submarine wired LAN in the world.

With the use of Neptune, scientists bid farewell to the backward observation methods in the past, and can transmit seabed data 24 hours a day, 365 days a year.

Third, magnetic levitation technology. Refers to the technology of using magnetic force to overcome gravity to make objects suspend. It mainly includes magnetic levitation, optical levitation, acoustic levitation, airflow levitation, electric levitation and particle beam levitation, among which magnetic levitation technology is relatively mature. Since 1842, when British physicists put forward the concept of magnetic levitation, countries all over the world began to study this technology continuously.

Fourth, very large antenna array. It is a radio telescope array consisting of 27 antennas, with a diameter of 25m, located in New Mexico, USA. It is the largest synthetic aperture radio telescope in the world, built in 198 1. Very large array radio telescopes are very powerful. It can see an object the size of a golf ball and send out a radio signal 100 miles away. So, "the whole starry sky suddenly became clear."