China conducted its first deep-sea electromagnetic probe at the South China Sea on Friday, according to the country's marine experts. The exploration came after the country began to actively look for new detection methods for combustible ice. The electromagnetic-wave set consists of two parts, according to experts, a radiator, which is used to send out electromagnetic waves to stratum, and the receiving equipment used to receive signals reflected back by the sea-bed stratum. "It is a radiator. It sends out electromagnetic waves along its route underwater, and the electromagnetic waves will be reflected back by the seabed stratum," said Wu...