Exhibits At the Museum

This Day in History

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Today: July 25, 2014

February 28, 1956

MIT's Forrester Receives Patent on "Core" Memory

Jay Forrester at MIT is awarded a patent for his coincident current magnetic core memory. Forrester's invention, given Patent No. 2,736,880 for a "multicoordinate digital information storage device," became the standard memory device for digital computers until supplanted by solid state (semiconductor) RAM in the mid-1970s.