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Tech HistoryHistory August 26, 2026 5 min read

The Mother of All Demos: 90 Minutes That Reframed Interactive Computing

What Douglas Engelbart's SRI team actually demonstrated on December 9, 1968, how the networked NLS system worked, and what later retellings overstate.

#computing-history#sri#human-computer-interaction

Tech HistoryHistory August 26, 2026 5 min read

NCSA Mosaic: The Browser That Made the Early Web Visible

How Marc Andreessen, Eric Bina, and NCSA turned existing Web ideas into an installable graphical browser, then helped create the conditions for Netscape.

#computing-history#mosaic#browser