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.

Piano and sheet music, for article on Bartolomeo Cristofori piano

Bartolomeo Cristofori builds the first piano in Florence

Bartolomeo Cristofori built the first piano in Florence around 1700, when a Medici court inventory documented his strange new keyboard — a harpsichord, essentially, that could play soft and loud depending on the player’s touch. His hammer-and-escapement mechanism gave musicians something no keyboard had offered before: dynamics shaped by the fingers. It still underlies every acoustic piano made today.

Al-Jazari publishes his Book of Ingenious Mechanical Devices

In 1206, engineer Ismail al-Jazari finished a manuscript at the Artuqid palace in Mardin describing 50 machines he had actually built — water clocks, fountains, and pumps. One twin-cylinder pump used a crankshaft, the same rotary-to-linear principle that later drove steam and combustion engines. A practical book, copied for centuries because people wanted to build things.

Persian panemones, for article on panemone windmill

Persia’s panemone windmill brings wind power to the ancient world

Persian windmills first appeared in the Sistan region — today’s Iran and Afghanistan — where 9th-century geographers documented vertical-shaft machines with fabric sails turning inside slotted walls. They ground grain and lifted water in a place where summer winds blow for 120 days straight. It’s the earliest confirmed chapter in humanity’s long practice of putting wind to work.