Like many wonderful and useful scientific things, nitrous oxide was discovered by accident in 18th-century England, and much later (during the '30s and '40s) it was used by dentists as an anesthetic.

Nitrous oxide is one of the most misunderstood power-adders on the market. It has a reputation for being unsafe or unethical, but pound per dollar, nitrous is the most inexpensive and easiest way to ...