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Calder Hall — The First Industrial-Scale Nuclear Power Plant
On October 17, 1956, Elizabeth II officially inaugurated the Calder Hall power station (Cumberland, United Kingdom), the first industrial- and commercial-scale nuclear power plant: 50 MW electrical per reactor, 47 years of continuous operation. It had in fact already been coupled to the grid since August 27, 1956. The true world first, however, remains Obninsk (USSR), connected to the grid on June 26–27, 1954 with 5 MWe.
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The Human Genome Project — 3.2 Billion Base Pairs Sequenced
In April 2003, the HGP announced the complete sequencing of the human genome: ~2.85 billion nucleotides, ~20,000 genes, 13 years of work, $2.7 billion. The cost of sequencing a genome dropped from $3 billion to $200 in 20 years.
Python 3.13: the GIL becomes optional (experimental free-threading mode)
Python 3.13 introduces Free-threaded mode, allowing threads to run in true parallel on multicore architectures.
Radio — Marconi Transmits Wirelessly
In September 1895, Guglielmo Marconi transmits a wireless telegraph signal over 2.4 km on the family estate of Villa Griffone, near Bologna. On December 12, 1901, at Signal Hill (Newfoundland), he receives the letter "S" (three Morse dots) sent from Poldhu (Cornwall), spanning 3,500 km of Atlantic. Nobel Prize in Physics 1909. Radio today underpins a $1.8 trillion ecosystem (wireless telecoms, 2024).