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João Montenegro

I write about science and technology, and build some of the things I write about.

Essays on space, machines and where they take us; the things I have built, from a reusable capsule to a spacesuit; sketches; and the night sky over Lisbon.

CEO of Darkmatter, in Lisbon.

Get in touchX: @JohnMontenegroLinkedIn: jmontenegrodesignGitHub: JMMonte

 

Writing

All writing
How to go interstellarThe longtermist way of spreading consciousness through the galaxyJan 2023

Behind the scenes

All notes
  • Poster of a welder in protective gear, captioned “No danger, always ready”, annotated with the hazards the fabric resists
  • Sketch of a head wearing an AR visor, annotated with a lidar system, two cameras and a binocular refractive screen
  • Sketch of a nuclear starship with deployable radiators, a centrifugal gravity ring and ion engines
  • Two capsule sketches annotated with the heat shield, the fuel tank and the landing legs
  • Wireframe of a node-based CAD interface with a layer list, a system graph and a properties panel
  • Sketch of a collapsible robot arm with binocular cameras, floodlights and exchangeable manipulators
  • White-line sketch of a supercar on black, three-quarter front view
  • Wireframe of a play-to-earn scholarship dashboard showing earnings and top scholars
  • Diagram combining a crew Lunar Starship with a Starship payload section into one vehicle
  • Illustration of a Starship climbing away from Earth, labelled “your lunar base goes here”
  • White-line sketches of the interior of a horizontal lunar base, with figures for scale
  • Sketch of a spacesuit arm and helmet, annotated with a wide helmet screen and conformable foam

Things

All things

Backyard science

All observations