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EDSAC First Operation

The EDSAC computer, the world's first practical stored-program computer, is about to perform its first operation. The team of scientists and engineers, led by Maurice Wilkes, are gathered around the m

Setting

The Mathematical Laboratory at Cambridge University, a large room filled with scientific equipment and dominated by the massive EDSAC computer. The space is lined with wooden workbenches and chalkboards covered in equations.

Characters

The figures in this scene as an entity network — co-presence links everyone in the moment; speakers who trade lines are bound tighter. Turn the resolution dial to reveal depth the engine actually computed.

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SELECTED
Maurice Wilkes
primary
A tall, lean man in his late 30s with sharp features, thinning dark hair combed back, and wire-rimmed glasses. His intense blue eyes are focused on the machine, with faint lines of concentration etched around them.
David Wheeler
primary
A lean, wiry man in his mid-20s with short, dark brown hair combed neatly to the side. His face is clean-shaven, with sharp features and intense brown eyes that reflect both focus and excitement. His posture suggests a combination of youthful energy and academic rigor.
Lab Technician
secondary
A young man in his mid-20s, lean but sturdy from years of handling delicate equipment. His face bears the faint tan lines of recently removed spectacles, and his hands show the calluses of someone accustomed to manual adjustments. Dark hair kept neatly short in post-war fashion, with a slight wave that resists complete taming.
Graduate Student
secondary
A young man in his mid-20s with a lean build, short brown hair neatly combed to the side, and round wire-rimmed glasses perched on his nose. His face is clean-shaven, and his hands are slightly ink-stained from taking notes.
University Administrator
background
A middle-aged man with a receding hairline and round spectacles, slightly portly with a distinguished air. His hands are clasped behind his back, and his posture is upright, reflecting his professional status. His eyes are sharp and observant, taking in the scene with quiet admiration.

Dialog

Maurice Wilkes Our lady appears to be performing admirably, though it's the results that will truly demonstrate her capabilities. David, do you observe any divergence from expected outputs thus far?
David Wheeler None whatsoever, Professor—the square root computations are aligning perfectly with my manual calculations. The subroutine jumps... they're executing like clockwork!
Graduate Student That is to say—the delay line storage seems to be maintaining synchronization within expected parameters, though I did note a minor fluctuation during the—
Maurice Wilkes Indeed, a negligible variance—well within operational tolerances. What fascinates me is how cleanly she handles the memory addressing. A triumph of engineering, this.
David Wheeler Wait—the factorial sequence output! It's... yes, all thirty-two bits are resolving precisely as theorized. The stored-program concept—it's actually working!
Graduate Student Good lord—that means we've successfully automated what would take a human computer three days to calculate manually. The implications—

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Causal neighbors · 175 linked moments

E
EDSAC becomes operational at the University of Cambridge
1949 · contemporaneous
F
First Silicon Transistor Demonstration
1954 · same figure
I
Invention of the Perceptron
1957 · same figure
D
Development of the Lisp programming language
1958 · same figure
F
First Program Run on the Pilot ACE
1950 · same figure
D
Dedication of the ENIAC
1946 · same figure
A
AlphaGo Zero introduced
2017 · same figure
J
John McCarthy creates the LISP programming language
1958 · same figure
M
Manchester Baby First Successful Run
1948 · influences
M
Manchester Mark 1 First Run
1949 · same era
M
Manchester Mark 1 First Run
1949 · follows
M
Manchester Mark 1 First Program Run
1949 · same era
M
Manchester Mark 1 First Program Run
1949 · follows
A
ACE Pilot Model First Program Run
1950 · same era
A
ACE Pilot Model First Program Run
1950 · follows
F
First Run of the Manchester Baby
1948 · same era
F
First Run of the Manchester Baby
1948 · precedes
I
Invention of the Integrated Circuit
1958 · same figure
C
Coronation of Queen Elizabeth II
1953 · same era
C
Coronation of Queen Elizabeth II
1953 · follows
C
Coronation of Queen Elizabeth II
1953 · same era
C
Coronation of Queen Elizabeth II
1953 · follows
F
First point-contact transistor demonstrated
1947 · same figure
M
Moore's Law paper published
1965 · same figure
First Integrated Circuit Demonstration
First Integrated Circuit Demonstration
1958 · same figure
P
Publication of the Point-Contact Transistor Paper
1948 · same figure
B
Blitz on London
1940 · same era
B
Blitz on London
1940 · precedes
F
First COBOL Compiler Execution
1960 · same figure
Z
Zilog Z80 Microprocessor Introduction
1976 · same figure
I
Invention of the Transistor
1947 · same figure
M
Manchester Baby First Run
1948 · same era
M
Manchester Baby First Run
1948 · precedes
F
First ARPANET Message
1969 · same figure
D
Death of King George VI
1952 · same era
D
Death of King George VI
1952 · follows