Stories by ken-chen

Restoring Y Combinator's Xerox Alto, day 3: Inside the disk drive

The Works Records System and 3270's updating fields in buffer

The Works Records System and 3270's updating fields in buffer

Restoring YC's Xerox Alto, day 1: Power supplies and disk interface

Y Combinator's Xerox Alto: restoring the legendary 1970s GUI computer

Inside card sorters: 1920s data processing, relay logic and linear time sorting

Moore’s law really is dead this time

Reverse engineering ARM1 instruction sequencing, compared with the Z-80 and 6502

The Aluminum Beverage Can (1994) [pdf]

Fixing the core memory in a vintage IBM 1401 mainframe

Transistor Wall Clock

Vanish

Show HN: Find contract work via contract to perm arrangements

Inside Apple's new folding USB Charger (UK plug) / teardown

Inside a TTL Logic IC

More Counterfeit Apple Chargers Than You Can Shake An iPod At

Ask HN: What companies have private offices for programmers?

Steve Jobs to be immortalized on postage stamp

ASCII Bernanke, Wikileaks, photos, and Python: hidden in the Bitcoin blockchain

The Bitcoin malleability attack graphed hour by hour

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