Jacquard loom · purpose of its punched cards

Think it. Then flip it. ahamoraTap to reveal Back to the cue

HistoryOne small aha

Your new ahaTo control woven patterns.

The Jacquard mechanism controlled weaving patterns with punched cards. Source: Jacquard machine ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

43Transistor · the two key electronic functions it made compact and reliableRECALL
Small, reliable switching and amplification.
Transistors replaced bulky vacuum tubes in many devices and helped enable modern computing.
Open this card ↗
44Telescope · the objects it made easier to observe in astronomyRECALL
Distant celestial objects.
Telescopes changed astronomy by revealing moons, planets, nebulae, galaxies, and more.
Open this card ↗
45Abacus · the kind of operations users perform with itRECALL
Arithmetic calculations.
Its beads or counters represent numbers on rods or grooves and remain useful teaching tools.
Open this card ↗