![US astronauts evacuated as ammonia leak threatened the ISS [UPDATE: no leak, hatch reopened]](https://cdn.zmescience.com/wp-content/uploads/2015/01/iss017e015059.jpg)
US astronauts evacuated as ammonia leak threatened the ISS [UPDATE: no leak, hatch reopened]
The threat of a possible ammonia leak in the US sector of the International Space Station (ISS) forced the American astronauts ...
Tag: ammonia
Carbon nanotubes drawn with a pencil render cheap and reliable sensors
Researchers at MIT have developed a novel technique of creating cheap and reliable sensors for toxic gases by simply etching ...