Software, hardware and information systems
A damaged bit need not destroy a message. Hamming’s construction adds three carefully chosen checks to four data bits, allowing the receiver to locate and repair any single flipped bit. Its limits are just as important: the seven-bit code cannot reliably distinguish one error from two.
How can a message arrive intact when its signal is disturbed? In 1948, Claude Shannon gave engineers a mathematical framework for separating a message from its physical carrier, measuring how much it can be compressed, and finding the rate below which noise can be overcome with coding. His results established limits and possibilities, not a ready-made universal transmitter.
OpenAI's GPT-6 Astra raises Terminal-Bench 4.0 from 37.3% to 57.9% versus GPT-5.6 Sol and reaches OpenAI's Critical cybersecurity threshold. Independent ARC Prize and Artificial Analysis tests confirm large gains in agentic efficiency, but also show harness dependence, an unchanged aggregate Intelligence Index versus Sol, and a higher price.
Designed to track and identify automotive parts faster in factories, the QR Code became an access layer between objects, payments and digital services. Openness and standardisation enabled that spread, with a lasting cost: a printed pattern never guarantees its destination.
A 3D model whose encoder is trained without labels on 5.24 million routine CT and MRI volumes reaches 92.68% AUROC across 82 CT diagnoses and 92.49% across 74 MRI diagnoses. With the archive held identical, it is the training objective — latent-space prediction — that opens the gap.
On October 29, 1969, the first message is sent between two computers over ARPANET. ARPA's network connects 4 American universities through packet switching — laying the foundations of a network that today connects 5.4 billion users.