Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & 1 oxygen atom shortened as N2O. Nitrous oxide is usually used for anesthesia & pain relief by medical doctors and dental professionals. It has also been misused by people for recreational reasons.
Another use for nitrous oxide gas is as a fuel booster in cars. Nitrous oxide is not flammable at low temperatures. However, when super heated the oxygen is broken off & helps combust the cars usual petrol and release more energy.
The nitrous oxide available on this site is for food and drink uses. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and many other culinary uses.