The Epic of Computing
From Turing's Infinite Tape to Google Willow and OpenAI System-2

In 1936, in the revolutionary paper \"On Computable Numbers\", British mathematician Alan Mathison Turing formulated the Universal Turing Machine. He proved that a single hypothetical device, reading and writing symbols on an infinitely long paper tape, could simulate any conceivable calculating machine.

During WWII at Bletchley Park, Turing's theoretical work became operational. He designed the Bombe to break German Enigma cipher transmissions, while Tommy Flowers built Colossus (the first electronic digital computer with 1,500 vacuum tubes). In 1950, Turing published the seminal \"Computing Machinery and Intelligence\", introducing the Turing Test.

The first giant electronic computers, like the ENIAC (1946) with 18,000 vacuum tubes, filled entire rooms and failed constantly from heat. In 1945, John von Neumann published his EDVAC report, defining the Stored-Program Architecture: data and instructions share the same main memory, processed by a Control Unit and ALU. This structure governs almost all computers to this day.

On December 16, 1947, at Bell Laboratories, John Bardeen, Walter Brattain, and William Shockley invented the point-contact germanium transistor — a solid-state switch with no moving parts, cool, tiny, and infinitely faster than vacuum tubes. In 1956 at Dartmouth, John McCarthy officially coined the term \"Artificial Intelligence\".

With the invention of the integrated circuit by Robert Noyce and Jack Kilby, multiple transistors could be printed on a single silicon wafer. In 1965, Gordon Moore formulated the most profitable empirical prediction in history: Moore's Law.

In 1971, Intel launched the Intel 4004: the first commercial single-chip microprocessor with 2,300 transistors. Concurrently, Bell Labs birthed UNIX and the C language (Dennis Ritchie and Ken Thompson), while ARPANET made its first transmission in 1969, weaving the foundations of the global digital infrastructure.

Computers finally left corporate data centers and invaded homes. The IBM PC (1981) and iconic Apple Macintosh (1984) popularized the graphical interface with windows, icons, and the mouse. In 1989, at CERN, Tim Berners-Lee invented the World Wide Web (HTTP, HTML, and URLs), connecting humanity in a single hypertext web.

In AI, after a long \"winter\", David Rumelhart, Geoffrey Hinton, and Ronald Williams published the Backpropagation algorithm in 1986, proving that multilayer neural networks could learn complex internal representations through gradient descent.

At the turn of the millennium, computation migrated to elastic data centers with cloud computing (AWS EC2). Concurrently, NVIDIA launched the CUDA platform in 2006, unlocking massively parallel GPU power for linear algebra and matrix operations.

In October 2012, Alex Krizhevsky, Ilya Sutskever, and Geoffrey Hinton won ImageNet with AlexNet, crushing classical computer vision methods and launching the modern Deep Learning boom. In March 2016, AlphaGo shocked the world by defeating Lee Sedol at Go.

In June 2017, eight Google researchers published the historic paper \"Attention Is All You Need\". The Transformer architecture replaced recurrent networks with the Self-Attention mechanism, enabling supercomputers to train in parallel on billions of web pages without sequential bottlenecks.

The leap with GPT-3 (2020) and the global launch of ChatGPT (November 2022) turned AI into the fastest-adopted technology product in human history. Focus rapidly expanded to native multimodality (vision, audio, and code unified) with GPT-4o and Gemini 1.5.