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 (4)
- How Do Airplanes Fly? The Physics of Lift Explained
Wings generate lift by deflecting air downward and creating lower pressure above the wing. Here is how angle of attack, speed, and wing shape make flight work. - How Nuclear Reactors Work
How nuclear reactors split uranium atoms in a controlled chain reaction to make heat, steam, and electricity — fuel, control rods, and safety systems. - 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.