Investigatio

Investigatio · following the evidence

How we know what we know,
one experiment at a time.

Investigatio builds a subject the way it was actually established: as a trail of measurements that broke what came before them. No background assumed, written for adults who want the real argument rather than a simplified summary of the answer.

Start with physics46 of 46 physics lessons written

Why this is different

  • Evidence first, conclusions second

    Nothing arrives as a fact to memorise. Every idea shows up attached to the measurement that forced it: what people believed, what the instrument said, and what had to change.

  • History’s order, not the textbook’s

    You meet each idea as the open problem it was. That is harder to summarise and far easier to actually understand, because you see why anyone bothered.

  • The mathematics is optional, and it is there

    Derivations sit folded away, each step carrying a plain-English note. Skip every one and the argument still lands; open them and you can check that it genuinely works out.

  • Simulations that admit what they fake

    You can take the apparatus apart and break it. Where a simulation simplifies the underlying physics, it says so on the page rather than quietly teaching you something false.

Subjects

Physics came first because its evidence trail is the best documented. The rest are mapped, not written — each one waits until its experiments are laid out properly.

  • PhysicsFrom Faraday’s lines of force to quantum information, in the order the arguments actually happened.Opens with Michelson & Morley, Cleveland, 18871831 – now · 8 acts
  • ChemistryplannedWhy matter combines in fixed ratios, why the table has the shape it has, and what a bond turned out to be.Opens with Lavoisier’s sealed flask, 17741770s – 1930s
  • LifeplannedDescent, inheritance and the molecule underneath both — the case built from breeding sheds and X-ray film.Opens with Mendel’s pea crosses, 18651830s – now
  • Earth & cosmosplannedDeep time, drifting continents and an expanding universe: three things nobody wanted to believe, all forced by measurement.Opens with Wegener’s matching coastlines, 19121780s – now
  • Computation & informationplannedWhat a machine can decide, what a message costs, and why those turned out to be the same question.Opens with Turing’s halting argument, 19361930s – now
  • Mind & brainplannedHow injury, electrodes and scanners turned the mind from a philosophical question into a measured one.Opens with Broca’s patient Leborgne, 18611860s – now