PERSEVERANCE LANDED (#198’s pre-commitment, gratefully graded): the sky crane executed flawlessly AGAIN — a rocket-hovering platform lowering a car-sized rover on cables, autonomously, with terrain-relative navigation matching craters against onboard maps in real time because Mars’ light-delay makes teleoperation impossible (the ultimate edge deployment: 100% autonomous, zero rollback, eleven-minute logs). And this time we got VIDEO — actual footage of the descent, parachute deployment to touchdown, which NASA released within days and which I have watched approximately thirty times. Ingenuity’s first flight attempt comes in spring; a helicopter, on Mars, flying in 1% atmospheric density — the engineering equivalent of hovering at triple Everest altitude. The archive’s space thread (#062, #073, #125, #181) remains its purest joy vein.
The other file this fortnight was a genuine platform-power natural experiment: Australia passed a law requiring platforms to pay news publishers, and Facebook — rather than negotiate — DARKED ALL NEWS for Australian users overnight (and, in the initial blast radius, took down government health pages, emergency services, and charities — a config change with a national footprint and, mid-pandemic, genuine harm). Five days of standoff, then a negotiated return with amendments. Both sides claimed victory; the file records the demonstrated CAPABILITIES, which outlast the settlement: a state can compel platform payment; a platform can delete a country’s news layer before breakfast (#196’s stack-sovereignty file, international edition). Every government watched both demonstrations. Both playbooks are now global standards, and the news-media bargaining-code model is already being drafted in a dozen capitals.
TIL: terrain-relative navigation — the rover photographed the ground during descent, matched features against orbital maps, and diverted from hazards on its own authority. Pre-loaded maps plus real-time perception plus decision authority at the edge: the pattern every autonomous system converges on, from Mars landers to the delivery robots now colonizing sidewalks (#152’s negative-latency file: when round-trips are impossible, ship the judgment).