Engineering
Articles about engineering disciplines, systems and applied design.
Vibration isolation
Vibration isolation: principles, devices, and practical applications
Viscosity index
Viscosity index (VI): how lubricant viscosity changes with temperature
Voltage divider
Voltage divider (resistor or potential divider)
Voltage spike
Voltage spike: causes, characteristics, effects and protection
Wankel engine
Wankel engine (rotary engine)
Waste heat
Water bomber
Water bomber (firefighting aircraft)
Water damage
Water damage: causes, effects, assessment and remediation
Water heating
Water heating: methods, energy sources, uses, and safety
Water supply system
Water treatment
Water Treatment: Processes, Technologies, and Uses
Water turbine
Water wheel
Water wheel: history, design, and uses of a traditional hydropower machine
Water-tube boiler
Watering can
Watering can: design, types, uses, care, and practical tips
Watermill
Watermill: function, history, types, and uses
Wave power
Wave power: harnessing energy from ocean surface waves
Wear
Wear (clothing, material degradation, and engineering)
Wear (erosion)
Wear (erosion): causes, mechanisms, and prevention in solids
Wear is the progressive loss of material from solid surfaces caused by mechanical action. This article explains primary wear mechanisms, history, testing, industrial examples, and
Wedge (mechanics)
Weighing scale
Weir
Welding
Welding: processes, equipment, safety, history and applications
Welding joins metals (and some non‑metals) by melting or pressure. Overview of common processes, equipment and materials, safety practices, brief history, uses and distinctions fro
Wheel
Wheelwright
Wheelwright: maker and repairer of wooden wheels
A wheelwright is a craftsman who designs, builds and repairs wheels—traditionally wooden carriage and cart wheels. The trade has ancient roots and survives today in restoration, he
Wide-angle lens
Width
Width (measurement and uses)
Winch
Wind chill
Wind engineering
Wind farm
Wind power
Wind power: principles, development, uses, and impacts
Wind power in Denmark
Wind power in Denmark: history, technology, and national impact
Wind power in Germany
Wind power in South Australia
Wind power in South Australia: development, characteristics and role
Wind power in Texas
Wind power in Texas: resources, growth, and major projects
Wind turbine
Windmill
Windmill: history, design, and uses
Comprehensive overview of windmills: how they work, main components, types, historical development, traditional and modern uses, and cultural significance.
Windsor Railway Bridge
Winnowing
Winnowing: traditional grain separation and natural sorting processes
Wire
Wire: types, construction, history, uses, and safety
A wire is a long, thin, flexible strand or rod of metal used for mechanical, electrical and structural purposes. This article explains materials, forms, history, common uses, and s
Wire rope
Woodworking joints
Work hardening
Wrench
Wrench (Spanner): overview, types, history and uses
Write Anywhere File Layout
Write Anywhere File Layout (WAFL) — design, features, and uses
Wrought iron
Wrought iron: composition, history, properties and uses