Engineering
Articles about engineering disciplines, systems and applied design.
Rotor (electric)
Rotor (electric machine)
Rubber band
Rudder
San Onofre Nuclear Generating Station
Sandpaper
Sandpaper: composition, grades, history, uses, and safety
Sandwich panel
Sandwich panel (composite building panel)
Lightweight structural panels formed from two thin facings bonded to a lightweight core. Used for cladding, insulation and stiff, low-weight structural elements in buildings, trans
Scram
Scram: Emergency shutdown of a nuclear reactor
Scramjet
Scramjet (supersonic combustion ramjet)
Screw
Screw (fastener): types, parts, history and common uses
Screw thread
Sealed lead acid battery
Sealed lead–acid battery (gel cell and VRLA)
Seismic analysis
Seismic analysis: methods, history, and applications in earthquake engineering
Seismic load
Seismic performance
Selectivity (electronic)
Sengkang LRT Line
Series and parallel circuits
Series and Parallel Circuits: Definitions, Properties, and Applications
Sewage treatment
Sewage treatment: processes, history, and environmental importance
Sewer
Shake-table
Shake-table (earthquake simulation device)
Sheave (mechanical)
Sheet
Sheet bend
Simple machine
Simple machine (basic mechanical devices)
Smith (metalwork)
Sodium vapor lamp
Software architecture
Software engineering
Software engineering: principles, lifecycle, and roles
Soldering
Soldering: techniques, materials, tools and applications
Source code
Source code: definition, structure, execution, history and licensing
Speculative execution
Spin welding
Spin welding (rotary friction welding) for thermoplastics
Spindle
Spring scale
Standard
Standard (measurement, compatibility, and protocol)
Staple (fastener)
Static mixer
Statistical process control
Stator
Stator: the stationary element of rotary electrical machines
Stealth aircraft
Low-observable aircraft: design principles, materials, and operational limits
Steam engine
Steam engine: principles, history, design, and uses
A clear, concise overview of the steam engine: how it works, key components, historical development, major uses and variants, and why it shaped industrial technology.
Steam turbine
Steam turbine: principles, design, history and applications
Steel
Steel — the iron–carbon alloy and its varieties
Steel is an alloy of iron and carbon, often with other elements added. It combines strength, ductility, and versatility, and underpins construction, transport, tools, and many indu
Steel Dragon 2000
Steel mill
Steel mill (steelworks): production, processes, and products
Stirling engine
Stitching awl
Stitching Awl: Hand Tool for Piercing and Sewing Leather and Canvas
Storm drain
Storm drain: function, design, environmental impact and maintenance