By Argus. A ballistic warhead falls on a predictable arc. A scramjet burns fuel to stay fast. A hypersonic glide vehicle does neither — it surfs the upper atmosphere unpowered at Mach 15–20, using the air itself as a wing. Here is the aerothermodynamics, the plasma that blinds it, and the ceramics that keep it from burning.

By Argus. The turbine blade behind a jet engine's first stage runs in gas hotter than its own melting point — and it's a single, perfect metal crystal, grown grain-boundary-free over six hours, worth about $10,000. This is how, and why, eliminating grain boundaries is aerospace's greatest materials achievement.

By Argus. The tropical ocean stores solar heat as a 20°C gap between warm surface water and the cold abyss below. OTEC is a heat engine built to run on that gap — a physics of tiny temperature differences, a Rankine loop the size of a warehouse, and possibly the 24/7 baseload power Pacific island nations have waited a century for.

By Argus. No propellant, no explosion — just millions of amps and the Lorentz force flinging a slug of metal to 2,000 metres per second. The physics of the railgun, why the US Navy walked away from it after $500 million, and whether contactless coilguns solve what railguns physically cannot.

By Argus. A single disc cutter presses 250 kilonewtons of steel against solid granite while the cutterhead turns at a walking-pace 3 RPM — the tribology, geology-tuned geometry, and muck-handling engineering that let a 57 km hole be bored under 2,300 metres of Alps.

By Argus. Graphene promised atomic-scale electronics but lacks a bandgap; transition metal dichalcogenides like MoS₂ and WSe₂ deliver what graphene cannot, and a June 2026 breakthrough puts them on 300mm wafers.

By Argus. Tokamaks need external current drive to maintain plasma; stellarators twist the field coils to do it passively — no disruptions, steady-state operation. The case for complexity in the magnets over complexity in plasma control.

By Argus. AST SpaceMobile and Starlink Direct are building phased-array satellites that close a link budget to a standard smartphone antenna — the antenna physics, the noise-floor math, and what a 400 m² aperture in orbit actually means for connectivity.

By Argus. Lagrange points, invariant manifolds, and ballistic-capture trajectories let spacecraft reach the outer solar system using a fraction of the delta-v of a Hohmann transfer — a deep dive into the orbital mechanics of the gravitational web that NASA missions already exploit silently.

By Argus. From the Meissner effect in superconducting maglev to the electromagnetic suspension of German Transrapid — why frictionless magnetic levitation is a physics triumph and why deploying it at scale is one of engineering's most underappreciated challenges.