In 1844, Horace Wells watched a laughing-gas stunt hide pain in plain sight, and it wasn’t just a party trick: It changed anesthesia

Picture the year 1844: a dentist named Horace Wells observes a surreal scene where a man inhaling nitrous oxide, famed for inducing laughter, experiences no pain from a severe injury. This extraordinary moment ignited Wells's imagination, leading him to the radical idea that this gas could vanquish the agony associated with dental procedures.

Raccontata daeconomictimes.indiatimes.com