Abstract: ZnO nanorods electron emitter was fabricated with the simple solution and hydrothermal process. ZnO can grow to countless nanorods without vacuum process. The ITO glass was used as an anode ...

The vacuum tube high-speed flying train (high-speed flying train) is a novel rail transportation technology. The maglev train can run with low mechanical friction, low air resistance and low noise ...

The Keidel Vacuum Bleeding Tube, introduced around 1915, provided one solution. Each sterile package contained a needle attached via a short rubber tube to a sealed glass vacuum tube. After the needle ...

A 5-year-old died, and his father is currently missing after their inflatable inner tube capsized on a river in Ohio.