Engineering
The application of science and mathematics to design structures, machines, and systems.
Subcategories
- Civil Engineering — Design and construction of structures, transportation, and infrastructure.
- Electrical Engineering — Circuits, power systems, electronics, and electromagnetism.
- Mechanical Engineering — Machines, materials, and the mechanics of solid bodies.
Articles (2)
- How GPS Works
How a receiver on Earth calculates position from satellite signals — trilateration, atomic clocks, and the relativistic corrections that keep the system honest. - 3D Printing: Additive Manufacturing
How 3D printing builds objects layer by layer — the main technologies (FDM, SLA, SLS, metal powder-bed), where they win against machining, and where they still lose.