Technology & innovation

This archive covers technology and innovation breakthroughs that improve lives, protect the environment, and expand human possibility. From medical devices to clean energy tools, the stories here focus on what’s working and who’s making it happen.

jason leung unsplash, for article on football codification, for article on food preservation

Nicolas Appert’s method of food preservation solves a problem as old as hunger

Food preservation took a quiet leap forward in 1809, when French confectioner Nicolas Appert discovered that food cooked inside a sealed glass jar simply didn’t spoil. He’d earned the insight through roughly a decade of trial and error, claiming a 12,000-franc government prize the following year — half a century before anyone understood why it worked.

HanaokaSeishu, for article on Hanaoka Seishū general anesthesia

Hanaoka Seishū performs the first documented surgery under general anaesthesia

In October 1804, a Japanese surgeon named Hanaoka Seishū removed part of a 60-year-old woman’s breast while she slept peacefully under an herbal anesthetic he had spent two decades perfecting. His formula, tsūsensan, drew on Chinese pharmacology and Dutch medical texts. It stands as the first reliably documented surgery under general anesthesia, nearly four decades before ether.

px Lemuel Francis Abbott Portrait of John Wilkinson The Ironmaster, for article on Wilkinson boring machine

John Wilkinson’s boring machine becomes perhaps the first true machine tool

In 1774, English ironmaster John Wilkinson patented a cannon-boring machine and soon adapted it to shape the massive iron cylinders James Watt’s steam engine needed. Watt marveled that the first 18-inch cylinder varied no more than the thickness of a thin sixpence. It’s remembered as one of the earliest true machine tools — a machine built to make other machines.