Idler arm for a heavy-duty truck On an automobile or truck with a conventional parallelogram steering linkage, the idler arm or idler arm assembly is a pivoting support for the steering linkage. The idler arm supports the end of the center link on the passenger's side of the vehicle.
596 is the codename of the People's Republic of China's first nuclear weapons test, detonated on October 16, 1964 at the Lop Nur test site. It was a uranium-235 implosion fission device and had a yield of 22 kilotons.
At 3:42 a.m. on July 28, 1976, a magnitude 7.8 earthquake hit the sleeping city of Tangshan, in northeastern China. The very large earthquake, striking an area where it was totally unexpected, obliterated the city of Tangshan and killed over 240,000 people-making it the deadliest earthquake of the twentieth century.. The Earthquake Strikes. When the 7.8 magnitude earthquake struck Tangshan at 3:42 a.m. on July 28, over a million people lay sleeping, unaware of the disaster that was to befall them.