Having told my daughter it was "the north west's largest indoor attraction" we were both a bit deflated when we turned into ...

The best simulation games give us - regular people - the chance to do things we wouldn't usually get the chance to do. Sometimes, these are extraordinary, highly specialized activities, and sometimes ...

Oxygen is the second most abundant element in Earth's atmosphere. Although critical for aerobic respiration, it also poses significant dangers to life. The reduction of molecular oxygen to water by ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...