By combining this technology with the near-vacuum tube technology, Chinese researchers hope that the two systems will become more than the sum of their parts. A super-fast train powered by vacuum ...

Silencers slow down high-pressure gases produced when a weapon is fired by pushing the gases through a series of internal chambers before they exit the barrel. This dissolves the energy released over ...

At top velocity, the train is expected to reach a phenomenal 600 kilometers (373 miles) per hour, faster than any high-speed rail currently available, and just shy of Japan’s Maglev train record.