Nitrous oxide is a colourless gas. It has dual nitrogen atoms & one oxygen atom shortened as N2O. Nitrous oxide is typically used for sedation and pain relief by medical doctors and dentists. It has also been misused by people for recreational reasons.
Another use for nitrous oxide gas is as a petrol booster in cars. Nitrous oxide is not flammable at cooler temperatures. However, when super heated the oxygen is release & helps burn the cars normal fuel and release more energy.
The nitrous oxide available on this site is for cooking uses. It is used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other culinary applications.